ID

VAR-201111-0190

CVE

CVE-2011-3607

TITLE

Apache HTTP Server Integer overflow vulnerability

DESCRIPTION

Integer overflow in the ap_pregsub function in server/util.c in the Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21, when the mod_setenvif module is enabled, allows local users to gain privileges via a .htaccess file with a crafted SetEnvIf directive, in conjunction with a crafted HTTP request header, leading to a heap-based buffer overflow. Apache HTTP Server is prone to a local privilege-escalation vulnerability because of an integer-overflow error. Local attackers can exploit this issue to run arbitrary code with elevated privileges (with the privileges of the Apache webserver process). Failed exploit attempts may crash the affected application, denying service to legitimate users. Note: To trigger this issue, 'mod_setenvif' must be enabled and the attacker should be able to place a malicious '.htaccess' file on the affected webserver. Please review the CVE identifiers referenced below for details. Workaround ========== There is no known workaround at this time. Resolution ========== All Apache HTTP Server users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=www-servers/apache-2.2.22-r1" References ========== [ 1 ] CVE-2010-0408 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0408 [ 2 ] CVE-2010-0434 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0434 [ 3 ] CVE-2010-1452 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-1452 [ 4 ] CVE-2010-2791 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2791 [ 5 ] CVE-2011-3192 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3192 [ 6 ] CVE-2011-3348 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3348 [ 7 ] CVE-2011-3368 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3368 [ 8 ] CVE-2011-3607 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-3607 [ 9 ] CVE-2011-4317 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-4317 [ 10 ] CVE-2012-0021 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0021 [ 11 ] CVE-2012-0031 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0031 [ 12 ] CVE-2012-0053 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0053 [ 13 ] CVE-2012-0883 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-0883 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201206-25.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 2012 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 SUPPORT COMMUNICATION - SECURITY BULLETIN Document ID: c03231301 Version: 1 HPSBMU02748 SSRT100772 rev.1 - HP OpenView Network Node Manager (OV NNM) Running Apache HTTP Server, Remote Unauthorized Disclosure of Information, Unauthorized Modification, Denial of Service (DoS) NOTICE: The information in this Security Bulletin should be acted upon as soon as possible. Release Date: 2012-03-27 Last Updated: 2012-03-27 Potential Security Impact: Remote unauthorized disclosure of information, unauthorized modification, Denial of Service (DoS) Source: Hewlett-Packard Company, HP Software Security Response Team VULNERABILITY SUMMARY Potential security vulnerabilities have been identified with HP OpenView Network Node Manager (OV NNM) running Apache HTTP Server. The vulnerabilities could be exploited remotely resulting in unauthorized disclosure of information, unauthorized modification, or Denial of Service (DoS). References: CVE-2012-0053, CVE-2012-0031, CVE-2012-0021, CVE-2011-4317, CVE-2011-3607, CVE-2011-3368 SUPPORTED SOFTWARE VERSIONS*: ONLY impacted versions are listed. HP OpenView Network Node Manager (OV NNM) v7.53 running on HP-UX, Linux, and Solaris. BACKGROUND CVSS 2.0 Base Metrics =========================================================== Reference Base Vector Base Score CVE-2012-0053 (AV:N/AC:M/Au:N/C:P/I:N/A:N) 4.3 CVE-2012-0031 (AV:L/AC:L/Au:N/C:P/I:P/A:P) 4.6 CVE-2012-0021 (AV:N/AC:H/Au:N/C:N/I:N/A:P) 2.6 CVE-2011-4317 (AV:N/AC:M/Au:N/C:N/I:P/A:N) 4.3 CVE-2011-3607 (AV:L/AC:M/Au:N/C:P/I:P/A:P) 4.4 CVE-2011-3368 (AV:N/AC:L/Au:N/C:P/I:N/A:N) 5.0 =========================================================== Information on CVSS is documented in HP Customer Notice: HPSN-2008-002 RESOLUTION HP has provided a hotfix to resolve the vulnerabilities. The SSRT100772 hotfix is available by contacting the normal HP Services support channel. MANUAL ACTIONS: Yes - NonUpdate Install the hotfix for SSRT100772. 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 (for HP-UX) For HP-UX OV NNM 7.53 HP-UX B.11.31 HP-UX B.11.23 (IA) HP-UX B.11.23 (PA) HP-UX B.11.11 ============= OVNNMgr.OVNNM-RUN,fr=B.07.50.00 action: install the hotfix for SSRT100772 END AFFECTED VERSIONS (for HP-UX) HISTORY Version:1 (rev.1) - 27 March 2012 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 issues about implementing the recommendations of this Security Bulletin, contact normal HP Services support channel. For other issues about the content of this Security Bulletin, send e-mail to security-alert@hp.com. Report: To report a potential security vulnerability with any HP supported product, send Email to: security-alert@hp.com Subscribe: To initiate a subscription to receive future HP Security Bulletin alerts via Email: http://h41183.www4.hp.com/signup_alerts.php?jumpid=hpsc_secbulletins Security Bulletin List: A list of HP Security Bulletins, updated periodically, is contained in HP Security Notice HPSN-2011-001: https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c02964430 Security Bulletin Archive: A list of recently released Security Bulletins is available here: http://h20566.www2.hp.com/portal/site/hpsc/public/kb/secBullArchive/ Software Product Category: The Software Product Category is represented in the title by the two characters following HPSB. 3C = 3COM 3P = 3rd Party Software GN = HP General Software HF = HP Hardware and Firmware MP = MPE/iX MU = Multi-Platform Software NS = NonStop Servers OV = OpenVMS PI = Printing and Imaging PV = ProCurve ST = Storage Software TU = Tru64 UNIX UX = HP-UX Copyright 2012 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. HP Secure Web Server (SWS) for OpenVMS V2.2 and earlier. ============================================================================ Ubuntu Security Notice USN-1368-1 February 16, 2012 apache2 vulnerabilities ============================================================================ A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 11.10 - Ubuntu 11.04 - Ubuntu 10.10 - Ubuntu 10.04 LTS - Ubuntu 8.04 LTS Summary: Several security issues were fixed in the Apache HTTP Server. An attacker having write access to a .htaccess file may exploit this to possibly execute arbitrary code. (CVE-2011-3607) Prutha Parikh discovered that the mod_proxy module did not properly interact with the RewriteRule and ProxyPassMatch pattern matches in the configuration of a reverse proxy. This could allow remote attackers to contact internal webservers behind the proxy that were not intended for external exposure. (CVE-2011-4317) Rainer Canavan discovered that the mod_log_config module incorrectly handled a certain format string when used with a threaded MPM. A remote attacker could exploit this to cause a denial of service via a specially- crafted cookie. This issue only affected Ubuntu 11.04 and 11.10. A local attacker could exploit this to to cause a denial of service. A remote attacker could exploit this to obtain the values of certain HTTPOnly cookies. (CVE-2012-0053) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 11.10: apache2.2-common 2.2.20-1ubuntu1.2 Ubuntu 11.04: apache2.2-common 2.2.17-1ubuntu1.5 Ubuntu 10.10: apache2.2-common 2.2.16-1ubuntu3.5 Ubuntu 10.04 LTS: apache2.2-common 2.2.14-5ubuntu8.8 Ubuntu 8.04 LTS: apache2.2-common 2.2.8-1ubuntu0.23 In general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Moderate: httpd security and bug fix update Advisory ID: RHSA-2012:0542-01 Product: JBoss Enterprise Web Server Advisory URL: https://rhn.redhat.com/errata/RHSA-2012-0542.html Issue date: 2012-05-07 CVE Names: CVE-2011-3348 CVE-2011-3368 CVE-2011-3607 CVE-2012-0021 CVE-2012-0031 CVE-2012-0053 ===================================================================== 1. Summary: Updated httpd packages that fix multiple security issues and one bug are now available for JBoss Enterprise Web Server 1.0.2 for Red Hat Enterprise Linux 5 and 6. The Red Hat Security Response Team has rated this update as having moderate security impact. Common Vulnerability Scoring System (CVSS) base scores, which give detailed severity ratings, are available for each vulnerability from the CVE links in the References section. 2. Relevant releases/architectures: JBoss Enterprise Web Server 1.0 for RHEL 5 Server - i386, x86_64 JBoss Enterprise Web Server 1.0 for RHEL 6 Server - i386, x86_64 3. It was discovered that the Apache HTTP Server did not properly validate the request URI for proxied requests. In certain configurations, if a reverse proxy used the ProxyPassMatch directive, or if it used the RewriteRule directive with the proxy flag, a remote attacker could make the proxy connect to an arbitrary server, possibly disclosing sensitive information from internal web servers not directly accessible to the attacker. (CVE-2011-3368) It was discovered that mod_proxy_ajp incorrectly returned an "Internal Server Error" response when processing certain malformed HTTP requests, which caused the back-end server to be marked as failed in configurations where mod_proxy was used in load balancer mode. A remote attacker could cause mod_proxy to not send requests to back-end AJP (Apache JServ Protocol) servers for the retry timeout period or until all back-end servers were marked as failed. (CVE-2011-3348) The httpd server included the full HTTP header line in the default error page generated when receiving an excessively long or malformed header. Malicious JavaScript running in the server's domain context could use this flaw to gain access to httpOnly cookies. (CVE-2012-0053) An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way httpd performed substitutions in regular expressions. An attacker able to set certain httpd settings, such as a user permitted to override the httpd configuration for a specific directory using a ".htaccess" file, could use this flaw to crash the httpd child process or, possibly, execute arbitrary code with the privileges of the "apache" user. (CVE-2011-3607) A NULL pointer dereference flaw was found in the httpd mod_log_config module. In configurations where cookie logging is enabled, a remote attacker could use this flaw to crash the httpd child process via an HTTP request with a malformed Cookie header. (CVE-2012-0021) A flaw was found in the way httpd handled child process status information. A malicious program running with httpd child process privileges (such as a PHP or CGI script) could use this flaw to cause the parent httpd process to crash during httpd service shutdown. (CVE-2012-0031) Red Hat would like to thank Context Information Security for reporting the CVE-2011-3368 issue. This update also fixes the following bug: * The fix for CVE-2011-3192 provided by the RHSA-2011:1329 update introduced a regression in the way httpd handled certain Range HTTP header values. This update corrects this regression. (BZ#749071) All users of JBoss Enterprise Web Server 1.0.2 should upgrade to these updated packages, which contain backported patches to correct these issues. After installing the updated packages, users must restart the httpd service for the update to take effect. 4. Solution: Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 5. Bugs fixed (http://bugzilla.redhat.com/): 736690 - CVE-2011-3348 httpd: mod_proxy_ajp remote temporary DoS 740045 - CVE-2011-3368 httpd: reverse web proxy vulnerability 749071 - httpd: RHSA-2011:1329 and RHSA-2011:1330 range 0- handling regression 769844 - CVE-2011-3607 httpd: ap_pregsub Integer overflow to buffer overflow 773744 - CVE-2012-0031 httpd: possible crash on shutdown due to flaw in scoreboard handling 785065 - CVE-2012-0021 httpd: NULL pointer dereference crash in mod_log_config 785069 - CVE-2012-0053 httpd: cookie exposure due to error responses 6. Package List: JBoss Enterprise Web Server 1.0 for RHEL 5 Server: Source: httpd-2.2.17-15.4.ep5.el5.src.rpm i386: httpd-2.2.17-15.4.ep5.el5.i386.rpm httpd-debuginfo-2.2.17-15.4.ep5.el5.i386.rpm httpd-devel-2.2.17-15.4.ep5.el5.i386.rpm httpd-manual-2.2.17-15.4.ep5.el5.i386.rpm mod_ssl-2.2.17-15.4.ep5.el5.i386.rpm x86_64: httpd-2.2.17-15.4.ep5.el5.x86_64.rpm httpd-debuginfo-2.2.17-15.4.ep5.el5.x86_64.rpm httpd-devel-2.2.17-15.4.ep5.el5.x86_64.rpm httpd-manual-2.2.17-15.4.ep5.el5.x86_64.rpm mod_ssl-2.2.17-15.4.ep5.el5.x86_64.rpm JBoss Enterprise Web Server 1.0 for RHEL 6 Server: Source: httpd-2.2.17-15.4.ep5.el6.src.rpm i386: httpd-2.2.17-15.4.ep5.el6.i386.rpm httpd-debuginfo-2.2.17-15.4.ep5.el6.i386.rpm httpd-devel-2.2.17-15.4.ep5.el6.i386.rpm httpd-manual-2.2.17-15.4.ep5.el6.i386.rpm httpd-tools-2.2.17-15.4.ep5.el6.i386.rpm mod_ssl-2.2.17-15.4.ep5.el6.i386.rpm x86_64: httpd-2.2.17-15.4.ep5.el6.x86_64.rpm httpd-debuginfo-2.2.17-15.4.ep5.el6.x86_64.rpm httpd-devel-2.2.17-15.4.ep5.el6.x86_64.rpm httpd-manual-2.2.17-15.4.ep5.el6.x86_64.rpm httpd-tools-2.2.17-15.4.ep5.el6.x86_64.rpm mod_ssl-2.2.17-15.4.ep5.el6.x86_64.rpm These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/#package 7. References: https://www.redhat.com/security/data/cve/CVE-2011-3348.html https://www.redhat.com/security/data/cve/CVE-2011-3368.html https://www.redhat.com/security/data/cve/CVE-2011-3607.html https://www.redhat.com/security/data/cve/CVE-2012-0021.html https://www.redhat.com/security/data/cve/CVE-2012-0031.html https://www.redhat.com/security/data/cve/CVE-2012-0053.html https://access.redhat.com/security/updates/classification/#moderate https://rhn.redhat.com/errata/RHSA-2011-1329.html 8. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2012 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFPqBeyXlSAg2UNWIIRAmTKAJ44emO1s64Xspc3U/w6p+K90wRnOQCeNjvx WPZtDBYcd45Z7zYelZj059Q= =YJ1B -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

local

TYPE

digital error

CONFIGURATIONS

EXPLOIT AVAILABILITY

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

halfdog

SOURCES

LAST UPDATE DATE

2025-06-27T20:46:50.690000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE