ID

VAR-202202-0906

CVE

CVE-2022-23308

TITLE

libxml2  Vulnerability in using free memory in

DESCRIPTION

valid.c in libxml2 before 2.9.13 has a use-after-free of ID and IDREF attributes. libxml2 Exists in a vulnerability related to the use of freed memory.Service operation interruption (DoS) It may be in a state. Alternatively, on your watch, select "My Watch > General > About". - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 202210-03 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: libxml2: Multiple Vulnerabilities Date: October 16, 2022 Bugs: #833809, #842261, #865727 ID: 202210-03 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== Multiple vulnerabilities have been discovered in libxml2, the worst of which could result in arbitrary code execution. Background ========== libxml2 is the XML C parser and toolkit developed for the GNOME project. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/libxml2 < 2.10.2 >= 2.10.2 Description =========== Multiple vulnerabilities have been discovered in libxml2. Please review the CVE identifiers referenced below for details. Impact ====== Please review the referenced CVE identifiers for details. Workaround ========== There is no known workaround at this time. Resolution ========== All libxml2 users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.10.2" References ========== [ 1 ] CVE-2022-23308 https://nvd.nist.gov/vuln/detail/CVE-2022-23308 [ 2 ] CVE-2022-29824 https://nvd.nist.gov/vuln/detail/CVE-2022-29824 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202210-03 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 2022 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. https://creativecommons.org/licenses/by-sa/2.5 . Summary: Red Hat Advanced Cluster Management for Kubernetes 2.4.3 General Availability release images. This update provides security fixes, bug fixes, and updates the container images. Description: Red Hat Advanced Cluster Management for Kubernetes 2.4.3 images Red Hat Advanced Cluster Management for Kubernetes provides the capabilities to address common challenges that administrators and site reliability engineers face as they work across a range of public and private cloud environments. Clusters and applications are all visible and managed from a single console—with security policy built in. This advisory contains the container images for Red Hat Advanced Cluster Management for Kubernetes, which provide some security fixes and bug fixes. See the following Release Notes documentation, which will be updated shortly for this release, for additional details about this release: https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.4/html/release_notes/ Security updates: * golang.org/x/crypto: empty plaintext packet causes panic (CVE-2021-43565) * nats-server: misusing the "dynamically provisioned sandbox accounts" feature authenticated user can obtain the privileges of the System account (CVE-2022-24450) * nanoid: Information disclosure via valueOf() function (CVE-2021-23566) * nodejs-shelljs: improper privilege management (CVE-2022-0144) * search-ui-container: follow-redirects: Exposure of Private Personal Information to an Unauthorized Actor (CVE-2022-0155) * node-fetch: exposure of sensitive information to an unauthorized actor (CVE-2022-0235) * follow-redirects: Exposure of Sensitive Information via Authorization Header leak (CVE-2022-0536) * openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates (CVE-2022-0778) * imgcrypt: Unauthorized access to encryted container image on a shared system due to missing check in CheckAuthorization() code path (CVE-2022-24778) * golang: crash in a golang.org/x/crypto/ssh server (CVE-2022-27191) * opencontainers: OCI manifest and index parsing confusion (CVE-2021-41190) Related bugs: * RHACM 2.4.3 image files (BZ #2057249) * Observability - dashboard name contains `/` would cause error when generating dashboard cm (BZ #2032128) * ACM application placement fails after renaming the application name (BZ #2033051) * Disable the obs metric collect should not impact the managed cluster upgrade (BZ #2039197) * Observability - cluster list should only contain OCP311 cluster on OCP311 dashboard (BZ #2039820) * The value of name label changed from clusterclaim name to cluster name (BZ #2042223) * VMWare Cluster creation does not accept ecdsa-sha2-nistp521 ssh keys (BZ #2048500) * clusterSelector matchLabels spec are cleared when changing app name/namespace during creating an app in UI (BZ #2053211) * Application cluster status is not updated in UI after restoring (BZ #2053279) * OpenStack cluster creation is using deprecated floating IP config for 4.7+ (BZ #2056610) * The value of Vendor reported by cluster metrics was Other even if the vendor label in managedcluster was Openshift (BZ #2059039) * Subscriptions stop reconciling after channel secrets are recreated (BZ #2059954) * Placementrule is not reconciling on a new fresh environment (BZ #2074156) * The cluster claimed from clusterpool cannot auto imported (BZ #2074543) 3. Solution: For Red Hat Advanced Cluster Management for Kubernetes, see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update: https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.4/html/release_notes/index For details on how to apply this update, refer to: https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.4/html-single/install/index#installing 4. Bugs fixed (https://bugzilla.redhat.com/): 2024938 - CVE-2021-41190 opencontainers: OCI manifest and index parsing confusion 2030787 - CVE-2021-43565 golang.org/x/crypto: empty plaintext packet causes panic 2032128 - Observability - dashboard name contains `/` would cause error when generating dashboard cm 2033051 - ACM application placement fails after renaming the application name 2039197 - disable the obs metric collect should not impact the managed cluster upgrade 2039820 - Observability - cluster list should only contain OCP311 cluster on OCP311 dashboard 2042223 - the value of name label changed from clusterclaim name to cluster name 2043535 - CVE-2022-0144 nodejs-shelljs: improper privilege management 2044556 - CVE-2022-0155 follow-redirects: Exposure of Private Personal Information to an Unauthorized Actor 2044591 - CVE-2022-0235 node-fetch: exposure of sensitive information to an unauthorized actor 2048500 - VMWare Cluster creation does not accept ecdsa-sha2-nistp521 ssh keys 2050853 - CVE-2021-23566 nanoid: Information disclosure via valueOf() function 2052573 - CVE-2022-24450 nats-server: misusing the "dynamically provisioned sandbox accounts" feature authenticated user can obtain the privileges of the System account 2053211 - clusterSelector matchLabels spec are cleared when changing app name/namespace during creating an app in UI 2053259 - CVE-2022-0536 follow-redirects: Exposure of Sensitive Information via Authorization Header leak 2053279 - Application cluster status is not updated in UI after restoring 2056610 - OpenStack cluster creation is using deprecated floating IP config for 4.7+ 2057249 - RHACM 2.4.3 images 2059039 - The value of Vendor reported by cluster metrics was Other even if the vendor label in managedcluster was Openshift 2059954 - Subscriptions stop reconciling after channel secrets are recreated 2062202 - CVE-2022-0778 openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates 2064702 - CVE-2022-27191 golang: crash in a golang.org/x/crypto/ssh server 2069368 - CVE-2022-24778 imgcrypt: Unauthorized access to encryted container image on a shared system due to missing check in CheckAuthorization() code path 2074156 - Placementrule is not reconciling on a new fresh environment 2074543 - The cluster claimed from clusterpool can not auto imported 5. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Important: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP11 security update Advisory ID: RHSA-2022:1390-01 Product: Red Hat JBoss Core Services Advisory URL: https://access.redhat.com/errata/RHSA-2022:1390 Issue date: 2022-04-20 CVE Names: CVE-2021-3516 CVE-2021-3517 CVE-2021-3518 CVE-2021-3537 CVE-2021-3541 CVE-2022-0778 CVE-2022-22720 CVE-2022-23308 ==================================================================== 1. Summary: Red Hat JBoss Core Services Apache HTTP Server 2.4.37 Service Pack 11 zip release for Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, and Microsoft Windows is available. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Description: Red Hat JBoss Core Services is a set of supplementary software for Red Hat JBoss middleware products. This software, such as Apache HTTP Server, is common to multiple JBoss middleware products, and is packaged under Red Hat JBoss Core Services to allow for faster distribution of updates, and for a more consistent update experience. This release adds the new Apache HTTP Server 2.4.37 Service Pack 11 packages that are part of the JBoss Core Services offering. This release serves as a replacement for Red Hat JBoss Core Services Apache HTTP Server 2.4.37 Service Pack 10 and includes bug fixes and enhancements. Refer to the Release Notes for information on the most significant bug fixes and enhancements included in this release. Security Fix(es): * jbcs-httpd24-httpd: httpd: HTTP request smuggling vulnerability in Apache HTTP Server 2.4.52 and earlier (CVE-2022-22720) * libxml2: use-after-free in xmlXIncludeDoProcess() in xinclude.c (CVE-2021-3518) * libxml2: heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3517) * libxml2: use-after-free in xmlEncodeEntitiesInternal() in entities.c (CVE-2021-3516) * libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms (CVE-2021-3541) * libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode (CVE-2021-3537) * libxml2: Use-after-free of ID and IDREF attributes (CVE-2022-23308) * openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates (CVE-2022-0778) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. 3. Solution: Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. The References section of this erratum contains a download link for the update. You must be logged in to download the update. 4. Bugs fixed (https://bugzilla.redhat.com/): 1950515 - CVE-2021-3541 libxml2: Exponential entity expansion attack bypasses all existing protection mechanisms 1954225 - CVE-2021-3516 libxml2: Use-after-free in xmlEncodeEntitiesInternal() in entities.c 1954232 - CVE-2021-3517 libxml2: Heap-based buffer overflow in xmlEncodeEntitiesInternal() in entities.c 1954242 - CVE-2021-3518 libxml2: Use-after-free in xmlXIncludeDoProcess() in xinclude.c 1956522 - CVE-2021-3537 libxml2: NULL pointer dereference when post-validating mixed content parsed in recovery mode 2056913 - CVE-2022-23308 libxml2: Use-after-free of ID and IDREF attributes 2062202 - CVE-2022-0778 openssl: Infinite loop in BN_mod_sqrt() reachable when parsing certificates 2064321 - CVE-2022-22720 httpd: Errors encountered during the discarding of request body lead to HTTP request smuggling 5. References: https://access.redhat.com/security/cve/CVE-2021-3516 https://access.redhat.com/security/cve/CVE-2021-3517 https://access.redhat.com/security/cve/CVE-2021-3518 https://access.redhat.com/security/cve/CVE-2021-3537 https://access.redhat.com/security/cve/CVE-2021-3541 https://access.redhat.com/security/cve/CVE-2022-0778 https://access.redhat.com/security/cve/CVE-2022-22720 https://access.redhat.com/security/cve/CVE-2022-23308 https://access.redhat.com/security/updates/classification/#important 6. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2022 Red Hat, Inc. ========================================================================== Ubuntu Security Notice USN-5422-1 May 16, 2022 libxml2 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 22.04 LTS - Ubuntu 21.10 - Ubuntu 20.04 LTS - Ubuntu 18.04 LTS - Ubuntu 16.04 ESM - Ubuntu 14.04 ESM Summary: Several security issues were fixed in libxml2. Software Description: - libxml2: GNOME XML library Details: Shinji Sato discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, and Ubuntu 16.04 ESM. (CVE-2022-23308) It was discovered that libxml2 incorrectly handled certain XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code. (CVE-2022-29824) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 22.04 LTS: libxml2 2.9.13+dfsg-1ubuntu0.1 libxml2-utils 2.9.13+dfsg-1ubuntu0.1 Ubuntu 21.10: libxml2 2.9.12+dfsg-4ubuntu0.2 libxml2-utils 2.9.12+dfsg-4ubuntu0.2 Ubuntu 20.04 LTS: libxml2 2.9.10+dfsg-5ubuntu0.20.04.3 libxml2-utils 2.9.10+dfsg-5ubuntu0.20.04.3 Ubuntu 18.04 LTS: libxml2 2.9.4+dfsg1-6.1ubuntu1.6 libxml2-utils 2.9.4+dfsg1-6.1ubuntu1.6 Ubuntu 16.04 ESM: libxml2 2.9.3+dfsg1-1ubuntu0.7+esm2 libxml2-utils 2.9.3+dfsg1-1ubuntu0.7+esm2 Ubuntu 14.04 ESM: libxml2 2.9.1+dfsg1-3ubuntu4.13+esm3 libxml2-utils 2.9.1+dfsg1-3ubuntu4.13+esm3 In general, a standard system update will make all the necessary changes. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 APPLE-SA-2022-05-16-6 tvOS 15.5 tvOS 15.5 addresses the following issues. Information about the security content is also available at https://support.apple.com/HT213254. AppleAVD Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed with improved memory management. CVE-2022-26702: an anonymous researcher AppleAVD Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited. Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2022-22675: an anonymous researcher AuthKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A local user may be able to enable iCloud Photos without authentication Description: An authentication issue was addressed with improved state management. CVE-2022-26724: Jorge A. Caballero (@DataDrivenMD) AVEVideoEncoder Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: An out-of-bounds write issue was addressed with improved bounds checking. CVE-2022-26736: an anonymous researcher CVE-2022-26737: an anonymous researcher CVE-2022-26738: an anonymous researcher CVE-2022-26739: an anonymous researcher CVE-2022-26740: an anonymous researcher DriverKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious application may be able to execute arbitrary code with system privileges Description: An out-of-bounds access issue was addressed with improved bounds checking. CVE-2022-26763: Linus Henze of Pinauten GmbH (pinauten.de) ImageIO Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: An integer overflow was addressed with improved input validation. CVE-2022-26711: actae0n of Blacksun Hackers Club working with Trend Micro Zero Day Initiative IOKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A race condition was addressed with improved locking. CVE-2022-26701: chenyuwang (@mzzzz__) of Tencent Security Xuanwu Lab IOMobileFrameBuffer Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2022-26768: an anonymous researcher IOSurfaceAccelerator Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved state management. CVE-2022-26771: an anonymous researcher Kernel Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A memory corruption issue was addressed with improved validation. CVE-2022-26714: Peter Nguyễn Vũ Hoàng (@peternguyen14) of STAR Labs (@starlabs_sg) Kernel Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An application may be able to execute arbitrary code with kernel privileges Description: A use after free issue was addressed with improved memory management. CVE-2022-26757: Ned Williamson of Google Project Zero Kernel Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: An attacker that has already achieved kernel code execution may be able to bypass kernel memory mitigations Description: A memory corruption issue was addressed with improved validation. CVE-2022-26764: Linus Henze of Pinauten GmbH (pinauten.de) Kernel Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious attacker with arbitrary read and write capability may be able to bypass Pointer Authentication Description: A race condition was addressed with improved state handling. CVE-2022-26765: Linus Henze of Pinauten GmbH (pinauten.de) LaunchServices Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A sandboxed process may be able to circumvent sandbox restrictions Description: An access issue was addressed with additional sandbox restrictions on third-party applications. CVE-2022-26706: Arsenii Kostromin (0x3c3e) libxml2 Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A remote attacker may be able to cause unexpected application termination or arbitrary code execution Description: A use after free issue was addressed with improved memory management. CVE-2022-23308 Security Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious app may be able to bypass signature validation Description: A certificate parsing issue was addressed with improved checks. CVE-2022-26766: Linus Henze of Pinauten GmbH (pinauten.de) WebKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: Processing maliciously crafted web content may lead to code execution Description: A memory corruption issue was addressed with improved state management. WebKit Bugzilla: 238178 CVE-2022-26700: ryuzaki WebKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A use after free issue was addressed with improved memory management. WebKit Bugzilla: 236950 CVE-2022-26709: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab WebKit Bugzilla: 237475 CVE-2022-26710: Chijin Zhou of ShuiMuYuLin Ltd and Tsinghua wingtecher lab WebKit Bugzilla: 238171 CVE-2022-26717: Jeonghoon Shin of Theori WebKit Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: Processing maliciously crafted web content may lead to arbitrary code execution Description: A memory corruption issue was addressed with improved state management. WebKit Bugzilla: 238183 CVE-2022-26716: SorryMybad (@S0rryMybad) of Kunlun Lab WebKit Bugzilla: 238699 CVE-2022-26719: Dongzhuo Zhao working with ADLab of Venustech Wi-Fi Available for: Apple TV 4K, Apple TV 4K (2nd generation), and Apple TV HD Impact: A malicious application may disclose restricted memory Description: A memory corruption issue was addressed with improved validation. CVE-2022-26745: an anonymous researcher Additional recognition AppleMobileFileIntegrity We would like to acknowledge Wojciech Reguła (@_r3ggi) of SecuRing for their assistance. WebKit We would like to acknowledge James Lee, an anonymous researcher for their assistance. Apple TV will periodically check for software updates. Alternatively, you may manually check for software updates by selecting "Settings -> System -> Software Update -> Update Software." To check the current version of software, select "Settings -> General -> About." All information is also posted on the Apple Security Updates web site: https://support.apple.com/en-us/HT201222. 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AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

remote

TYPE

resource management error

EXPLOIT AVAILABILITY

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Apple

SOURCES

LAST UPDATE DATE

2026-08-28T22:08:58.857000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE