Vulnerabilities > CVE-2016-4447 - Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in multiple products
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName.
Vulnerable Configurations
Common Weakness Enumeration (CWE)
Common Attack Pattern Enumeration and Classification (CAPEC)
- Buffer Overflow via Environment Variables This attack pattern involves causing a buffer overflow through manipulation of environment variables. Once the attacker finds that they can modify an environment variable, they may try to overflow associated buffers. This attack leverages implicit trust often placed in environment variables.
- Overflow Buffers Buffer Overflow attacks target improper or missing bounds checking on buffer operations, typically triggered by input injected by an attacker. As a consequence, an attacker is able to write past the boundaries of allocated buffer regions in memory, causing a program crash or potentially redirection of execution as per the attackers' choice.
- Client-side Injection-induced Buffer Overflow This type of attack exploits a buffer overflow vulnerability in targeted client software through injection of malicious content from a custom-built hostile service.
- Filter Failure through Buffer Overflow In this attack, the idea is to cause an active filter to fail by causing an oversized transaction. An attacker may try to feed overly long input strings to the program in an attempt to overwhelm the filter (by causing a buffer overflow) and hoping that the filter does not fail securely (i.e. the user input is let into the system unfiltered).
- MIME Conversion An attacker exploits a weakness in the MIME conversion routine to cause a buffer overflow and gain control over the mail server machine. The MIME system is designed to allow various different information formats to be interpreted and sent via e-mail. Attack points exist when data are converted to MIME compatible format and back.
Nessus
NASL family Misc. NASL id APPLETV_9_2_2.NASL description According to its banner, the version of the remote Apple TV device is prior to 9.2.2. It is, therefore, affected by multiple vulnerabilities in the following components : - CoreGraphics - ImageIO - IOAcceleratorFamily - IOHIDFamily - Kernel - libxml2 - libxslt - Sandbox Profiles - WebKit - WebKit Page Loading Note that only 4th generation models are affected by the vulnerabilities. last seen 2020-06-01 modified 2020-06-02 plugin id 92494 published 2016-07-21 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/92494 title Apple TV < 9.2.2 Multiple Vulnerabilities NASL family SuSE Local Security Checks NASL id SUSE_SU-2016-1538-1.NASL description This update for libxml2 fixes the following security issues : - CVE-2016-2073, CVE-2015-8806, CVE-2016-1839: A Heap-buffer overread was fixed in libxml2/dict.c [bsc#963963, bsc#965283, bsc#981114]. - CVE-2016-4483: Code was added to avoid an out of bound access when serializing malformed strings [bsc#978395]. - CVE-2016-1762: Fixed a heap-based buffer overread in xmlNextChar [bsc#981040]. - CVE-2016-1834: Fixed a heap-buffer-overflow in xmlStrncat [bsc#981041]. - CVE-2016-1833: Fixed a heap-based buffer overread in htmlCurrentChar [bsc#981108]. - CVE-2016-1835: Fixed a heap use-after-free in xmlSAX2AttributeNs [bsc#981109]. - CVE-2016-1837: Fixed a heap use-after-free in htmlParsePubidLiteral and htmlParseSystemiteral [bsc#981111]. - CVE-2016-1838: Fixed a heap-based buffer overread in xmlParserPrintFileContextInternal [bsc#981112]. - CVE-2016-1840: Fixed a heap-buffer-overflow in xmlFAParsePosCharGroup [bsc#981115]. - CVE-2016-4447: Fixed a heap-based buffer-underreads due to xmlParseName [bsc#981548]. - CVE-2016-4448: Fixed some format string warnings with possible format string vulnerability [bsc#981549], - CVE-2016-4449: Fixed inappropriate fetch of entities content [bsc#981550]. - CVE-2016-3705: Fixed missing increment of recursion counter. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 91656 published 2016-06-17 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91656 title SUSE SLED12 / SLES12 Security Update : libxml2 (SUSE-SU-2016:1538-1) NASL family Debian Local Security Checks NASL id DEBIAN_DLA-503.NASL description Several vulnerabilities were discovered in libxml2, a library providing support to read, modify and write XML and HTML files. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause a denial of service against the application, or potentially the execution of arbitrary code with the privileges of the user running the application. For Debian 7 last seen 2020-03-17 modified 2016-06-06 plugin id 91472 published 2016-06-06 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91472 title Debian DLA-503-1 : libxml2 security update NASL family Junos Local Security Checks NASL id JUNIPER_JSA10916.NASL description According to its self-reported version number, the remote Juniper Junos device is affected by a Multiple vulnerabilities in libxml2: - Format string vulnerability in libxml2 before 2.9.4 allows attackers to have unspecified impact via format string specifiers in unknown vectors.(CVE-2016-4448) - The xmlStringGetNodeList function in tree.c in libxml2 2.9.3 and earlier, when used in recovery mode, allows context-dependent attackers to cause a denial of service (infinite recursion, stack consumption, and application crash) via a crafted XML document. (CVE-2016-3627) last seen 2020-06-01 modified 2020-06-02 plugin id 121070 published 2019-01-11 reporter This script is Copyright (C) 2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/121070 title Junos OS: Multiple vulnerabilities in libxml2 (JSA10916) NASL family Oracle Linux Local Security Checks NASL id ORACLELINUX_ELSA-2016-1292.NASL description From Red Hat Security Advisory 2016:1292 : An update for libxml2 is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7. 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. [Updated 18 July 2016] This advisory has been updated to push packages into the Red Hat Enterprise Linux 6 Desktop channels. The packages included in this revised update have not been changed in any way from the packages included in the original advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es) : A heap-based buffer overflow flaw was found in the way libxml2 parsed certain crafted XML input. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or execute arbitrary code with the permissions of the user running the application. (CVE-2016-1834, CVE-2016-1840) Multiple denial of service flaws were found in libxml2. A remote attacker could provide a specially crafted XML file that, when processed by an application using libxml2, could cause that application to crash. (CVE-2016-1762, CVE-2016-1833, CVE-2016-1835, CVE-2016-1836, CVE-2016-1837, CVE-2016-1838, CVE-2016-1839, CVE-2016-3627, CVE-2016-3705, CVE-2016-4447, CVE-2016-4448, CVE-2016-4449) last seen 2020-04-16 modified 2016-06-24 plugin id 91797 published 2016-06-24 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91797 title Oracle Linux 6 / 7 : libxml2 (ELSA-2016-1292) NASL family Debian Local Security Checks NASL id DEBIAN_DSA-3593.NASL description Several vulnerabilities were discovered in libxml2, a library providing support to read, modify and write XML and HTML files. A remote attacker could provide a specially crafted XML or HTML file that, when processed by an application using libxml2, would cause a denial-of-service against the application, or potentially the execution of arbitrary code with the privileges of the user running the application. last seen 2020-06-01 modified 2020-06-02 plugin id 91447 published 2016-06-03 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91447 title Debian DSA-3593-1 : libxml2 - security update NASL family Misc. NASL id LCE_4_8_1.NASL description The version of Tenable Log Correlation Engine (LCE) installed on the remote host is prior to 4.8.1. It is, therefore, affected by the following vulnerabilities : - Multiple cross-site scripting (XSS) vulnerabilities exist in the Handlebars library in the lib/handlebars/utils.js script due to a failure to properly escape input passed as unquoted attributes to templates. An unauthenticated, remote attacker can exploit these vulnerabilities, via a specially crafted request, to execute arbitrary script code in a user last seen 2020-06-01 modified 2020-06-02 plugin id 97893 published 2017-03-22 reporter This script is Copyright (C) 2017-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/97893 title Tenable Log Correlation Engine (LCE) < 4.8.1 Multiple Vulnerabilities NASL family CentOS Local Security Checks NASL id CENTOS_RHSA-2016-1292.NASL description An update for libxml2 is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7. 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. [Updated 18 July 2016] This advisory has been updated to push packages into the Red Hat Enterprise Linux 6 Desktop channels. The packages included in this revised update have not been changed in any way from the packages included in the original advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es) : A heap-based buffer overflow flaw was found in the way libxml2 parsed certain crafted XML input. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or execute arbitrary code with the permissions of the user running the application. (CVE-2016-1834, CVE-2016-1840) Multiple denial of service flaws were found in libxml2. A remote attacker could provide a specially crafted XML file that, when processed by an application using libxml2, could cause that application to crash. (CVE-2016-1762, CVE-2016-1833, CVE-2016-1835, CVE-2016-1836, CVE-2016-1837, CVE-2016-1838, CVE-2016-1839, CVE-2016-3627, CVE-2016-3705, CVE-2016-4447, CVE-2016-4448, CVE-2016-4449) last seen 2020-04-16 modified 2016-06-24 plugin id 91786 published 2016-06-24 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91786 title CentOS 6 / 7 : libxml2 (CESA-2016:1292) NASL family OracleVM Local Security Checks NASL id ORACLEVM_OVMSA-2016-0087.NASL description The remote OracleVM system is missing necessary patches to address critical security updates : - Update doc/redhat.gif in tarball - Add libxml2-oracle-enterprise.patch and update logos in tarball - Heap-based buffer overread in xmlNextChar (CVE-2016-1762) - Bug 763071: Heap-buffer-overflow in xmlStrncat (CVE-2016-1834) - Bug 757711: Heap-buffer-overflow in xmlFAParsePosCharGroup (CVE-2016-1840) - Bug 758588: Heap-based buffer overread in xmlParserPrintFileContextInternal (CVE-2016-1838) - Bug 758605: Heap-based buffer overread in xmlDictAddString (CVE-2016-1839) - Bug 759398: Heap use-after-free in xmlDictComputeFastKey (CVE-2016-1836) - Fix inappropriate fetch of entities content (CVE-2016-4449) - Heap use-after-free in htmlParsePubidLiteral and htmlParseSystemiteral (CVE-2016-1837) - Heap use-after-free in xmlSAX2AttributeNs (CVE-2016-1835) - Heap-based buffer-underreads due to xmlParseName (CVE-2016-4447) - Heap-based buffer overread in htmlCurrentChar (CVE-2016-1833) - Add missing increments of recursion depth counter to XML parser. (CVE-2016-3705) - Avoid building recursive entities (CVE-2016-3627) - Fix some format string warnings with possible format string vulnerability (CVE-2016-4448) - More format string warnings with possible format string vulnerability (CVE-2016-4448) - Fix large parse of file from memory (rhbz#862969) last seen 2020-06-01 modified 2020-06-02 plugin id 91800 published 2016-06-24 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91800 title OracleVM 3.3 / 3.4 : libxml2 (OVMSA-2016-0087) NASL family Windows NASL id ITUNES_12_4_2.NASL description The version of Apple iTunes installed on the remote Windows host is prior to 12.4.2. It is, therefore, affected by multiple vulnerabilities : - Multiple memory corruption issues exist in the libxslt component due to improper validation of user-supplied input. An unauthenticated, remote attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2016-1684, CVE-2016-4607, CVE-2016-4608, CVE-2016-4609, CVE-2016-4610, CVE-2016-4612) - Multiple memory corruption issues exist in the libxml2 component that allow a remote attacker to cause a denial of service condition or the execution of arbitrary code. (CVE-2016-1836, CVE-2016-4447, CVE-2016-4448, CVE-2016-4483, CVE-2016-4614, CVE-2016-4615, CVE-2016-4616, CVE-2016-4619) - An XXE (Xml eXternal Entity) injection vulnerability exists in the libxml2 component due to an incorrectly configured XML parser accepting XML external entities from an untrusted source. A remote attacker can exploit this, via a specially crafted XML file, to disclose arbitrary files and user information. (CVE-2016-4449) Note that Nessus has not tested for these issues but has instead relied only on the application last seen 2020-06-01 modified 2020-06-02 plugin id 92410 published 2016-07-19 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/92410 title Apple iTunes < 12.4.2 Multiple Vulnerabilities (credentialed check) NASL family MacOS X Local Security Checks NASL id MACOSX_10_11_6.NASL description The remote host is running a version of Mac OS X that is 10.11.x prior to 10.11.6. It is, therefore, affected by multiple vulnerabilities in the following components : - apache_mod_php - Audio - bsdiff - CFNetwork - CoreGraphics - FaceTime - Graphics Drivers - ImageIO - Intel Graphics Driver - IOHIDFamily - IOKit - IOSurface - Kernel - libc++abi - libexpat - LibreSSL - libxml2 - libxslt - Login Window - OpenSSL - QuickTime - Safari Login AutoFill - Sandbox Profiles Note that successful exploitation of the most serious issues can result in arbitrary code execution. last seen 2020-06-01 modified 2020-06-02 plugin id 92496 published 2016-07-21 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/92496 title Mac OS X 10.11.x < 10.11.6 Multiple Vulnerabilities NASL family Peer-To-Peer File Sharing NASL id ITUNES_12_4_2_BANNER.NASL description The version of Apple iTunes running on the remote Windows host is prior to 12.4.2. It is, therefore, affected by multiple vulnerabilities : - Multiple memory corruption issues exist in the libxslt component due to improper validation of user-supplied input. An unauthenticated, remote attacker can exploit this to cause a denial of service condition or the execution of arbitrary code. (CVE-2016-1684, CVE-2016-4607, CVE-2016-4608, CVE-2016-4609, CVE-2016-4610, CVE-2016-4612) - Multiple memory corruption issues exist in the libxml2 component that allow a remote attacker to cause a denial of service condition or the execution of arbitrary code. (CVE-2016-1836, CVE-2016-4447, CVE-2016-4448, CVE-2016-4483, CVE-2016-4614, CVE-2016-4615, CVE-2016-4616, CVE-2016-4619) - An XXE (Xml eXternal Entity) injection vulnerability exists in the libxml2 component due to an incorrectly configured XML parser accepting XML external entities from an untrusted source. A remote attacker can exploit this, via a specially crafted XML file, to disclose arbitrary files and user information. (CVE-2016-4449) Note that Nessus has not tested for these issues but has instead relied only on the application last seen 2020-06-01 modified 2020-06-02 plugin id 92411 published 2016-07-19 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/92411 title Apple iTunes < 12.4.2 Multiple Vulnerabilities (uncredentialed check) NASL family Ubuntu Local Security Checks NASL id UBUNTU_USN-2994-1.NASL description It was discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. (CVE-2015-8806, CVE-2016-2073, CVE-2016-3627, CVE-2016-3705, CVE-2016-4447) It was discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-1762, CVE-2016-1834) Mateusz Jurczyk discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-1833, CVE-2016-1838, CVE-2016-1839) Wei Lei and Liu Yang discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-1835, CVE-2016-1837) Wei Lei and Liu Yang discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 14.04 LTS, Ubuntu 15.10 and Ubuntu 16.04 LTS. (CVE-2016-1836) Kostya Serebryany discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could cause libxml2 to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2016-1840) It was discovered that libxml2 would load certain XML external entities. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly obtain access to arbitrary files or cause resource consumption. (CVE-2016-4449) Gustavo Grieco discovered that libxml2 incorrectly handled certain malformed documents. If a user or automated system were tricked into opening a specially crafted document, an attacker could possibly cause libxml2 to crash, resulting in a denial of service. (CVE-2016-4483). Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 91499 published 2016-06-07 reporter Ubuntu Security Notice (C) 2016-2019 Canonical, Inc. / NASL script (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91499 title Ubuntu 12.04 LTS / 14.04 LTS / 15.10 / 16.04 LTS : libxml2 vulnerabilities (USN-2994-1) NASL family Scientific Linux Local Security Checks NASL id SL_20160623_LIBXML2_ON_SL6_X.NASL description Security Fix(es) : A heap-based buffer overflow flaw was found in the way libxml2 parsed certain crafted XML input. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or execute arbitrary code with the permissions of the user running the application. (CVE-2016-1834, CVE-2016-1840) Multiple denial of service flaws were found in libxml2. A remote attacker could provide a specially crafted XML file that, when processed by an application using libxml2, could cause that application to crash. (CVE-2016-1762, CVE-2016-1833, CVE-2016-1835, CVE-2016-1836, CVE-2016-1837, CVE-2016-1838, CVE-2016-1839, CVE-2016-3627, CVE-2016-3705, CVE-2016-4447, CVE-2016-4448, CVE-2016-4449) last seen 2020-04-16 modified 2016-06-24 plugin id 91808 published 2016-06-24 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91808 title Scientific Linux Security Update : libxml2 on SL6.x, SL7.x i386/x86_64 (20160623) NASL family Fedora Local Security Checks NASL id FEDORA_2017-A3A47973EB.NASL description Update to latest upstream release, includes several security related fixes. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2017-04-20 plugin id 99491 published 2017-04-20 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/99491 title Fedora 25 : libxml2 (2017-a3a47973eb) NASL family MacOS X Local Security Checks NASL id MACOSX_SECUPD2016-004.NASL description The remote host is running a version of Mac OS X that is 10.9.5 or 10.10.5 and is missing Security Update 2016-004. It is, therefore, affected by multiple vulnerabilities in the following components : - apache_mod_php (affects 10.10.5 only) - CoreGraphics - ImageIO - libxml2 - libxslt Note that successful exploitation of the most serious issues can result in arbitrary code execution. last seen 2020-06-01 modified 2020-06-02 plugin id 92497 published 2016-07-21 reporter This script is Copyright (C) 2016-2018 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/92497 title Mac OS X 10.9.5 and 10.10.5 Multiple Vulnerabilities (Security Update 2016-004) NASL family SuSE Local Security Checks NASL id OPENSUSE-2016-733.NASL description This update for libxml2 fixes the following security issues : - CVE-2016-2073, CVE-2015-8806, CVE-2016-1839: A Heap-buffer overread was fixed in libxml2/dict.c [bsc#963963, bsc#965283, bsc#981114]. - CVE-2016-4483: Code was added to avoid an out of bound access when serializing malformed strings [bsc#978395]. - CVE-2016-1762: Fixed a heap-based buffer overread in xmlNextChar [bsc#981040]. - CVE-2016-1834: Fixed a heap-buffer-overflow in xmlStrncat [bsc#981041]. - CVE-2016-1833: Fixed a heap-based buffer overread in htmlCurrentChar [bsc#981108]. - CVE-2016-1835: Fixed a heap use-after-free in xmlSAX2AttributeNs [bsc#981109]. - CVE-2016-1837: Fixed a heap use-after-free in htmlParsePubidLiteral and htmlParseSystemiteral [bsc#981111]. - CVE-2016-1838: Fixed a heap-based buffer overread in xmlParserPrintFileContextInternal [bsc#981112]. - CVE-2016-1840: Fixed a heap-buffer-overflow in xmlFAParsePosCharGroup [bsc#981115]. - CVE-2016-4447: Fixed a heap-based buffer-underreads due to xmlParseName [bsc#981548]. - CVE-2016-4448: Fixed some format string warnings with possible format string vulnerability [bsc#981549], - CVE-2016-4449: Fixed inappropriate fetch of entities content [bsc#981550]. - CVE-2016-3705: Fixed missing increment of recursion counter. This update was imported from the SUSE:SLE-12:Update update project. last seen 2020-06-05 modified 2016-06-17 plugin id 91639 published 2016-06-17 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91639 title openSUSE Security Update : libxml2 (openSUSE-2016-733) NASL family Amazon Linux Local Security Checks NASL id ALA_ALAS-2016-719.NASL description A heap-based buffer overflow flaw was found in the way libxml2 parsed certain crafted XML input. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or execute arbitrary code with the permissions of the user running the application. (CVE-2016-1834 , CVE-2016-1840) Multiple denial of service flaws were found in libxml2. A remote attacker could provide a specially crafted XML file that, when processed by an application using libxml2, could cause that application to crash. (CVE-2016-1762 , CVE-2016-1833 , CVE-2016-1835 , CVE-2016-1836 , CVE-2016-1837 , CVE-2016-1838 , CVE-2016-1839 , CVE-2016-3627 , CVE-2016-3705 , CVE-2016-4447 , CVE-2016-4448 , CVE-2016-4449) last seen 2020-06-01 modified 2020-06-02 plugin id 92221 published 2016-07-15 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/92221 title Amazon Linux AMI : libxml2 (ALAS-2016-719) NASL family Fedora Local Security Checks NASL id FEDORA_2017-BE8574D593.NASL description Update to latest upstream release, includes several security related fixes. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-05 modified 2017-04-20 plugin id 99492 published 2017-04-20 reporter This script is Copyright (C) 2017-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/99492 title Fedora 24 : libxml2 (2017-be8574d593) NASL family F5 Networks Local Security Checks NASL id F5_BIGIP_SOL24322529.NASL description CVE-2016-4447 The xmlParseElementDecl function in parser.c in libxml2 before 2.9.4 allows context-dependent attackers to cause a denial of service (heap-based buffer underread and application crash) via a crafted file, involving xmlParseName. CVE-2016-4449 XML external entity (XXE) vulnerability in the xmlStringLenDecodeEntities function in parser.c in libxml2 before 2.9.4, when not in validating mode, allows context-dependent attackers to read arbitrary files or cause a denial of service (resource consumption) via unspecified vectors. last seen 2020-03-17 modified 2016-12-20 plugin id 95940 published 2016-12-20 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/95940 title F5 Networks BIG-IP : libxml2 vulnerabilities (K24322529) NASL family Red Hat Local Security Checks NASL id REDHAT-RHSA-2016-1292.NASL description An update for libxml2 is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7. 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. [Updated 18 July 2016] This advisory has been updated to push packages into the Red Hat Enterprise Linux 6 Desktop channels. The packages included in this revised update have not been changed in any way from the packages included in the original advisory. The libxml2 library is a development toolbox providing the implementation of various XML standards. Security Fix(es) : A heap-based buffer overflow flaw was found in the way libxml2 parsed certain crafted XML input. A remote attacker could provide a specially crafted XML file that, when opened in an application linked against libxml2, would cause the application to crash or execute arbitrary code with the permissions of the user running the application. (CVE-2016-1834, CVE-2016-1840) Multiple denial of service flaws were found in libxml2. A remote attacker could provide a specially crafted XML file that, when processed by an application using libxml2, could cause that application to crash. (CVE-2016-1762, CVE-2016-1833, CVE-2016-1835, CVE-2016-1836, CVE-2016-1837, CVE-2016-1838, CVE-2016-1839, CVE-2016-3627, CVE-2016-3705, CVE-2016-4447, CVE-2016-4448, CVE-2016-4449) last seen 2020-04-10 modified 2016-06-24 plugin id 91802 published 2016-06-24 reporter This script is Copyright (C) 2016-2020 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/91802 title RHEL 6 / 7 : libxml2 (RHSA-2016:1292) NASL family Slackware Local Security Checks NASL id SLACKWARE_SSA_2016-148-01.NASL description New libxml2 packages are available for Slackware 14.0, 14.1, and -current to fix security issues. last seen 2020-06-01 modified 2020-06-02 plugin id 91353 published 2016-05-31 reporter This script is Copyright (C) 2016 Tenable Network Security, Inc. source https://www.tenable.com/plugins/nessus/91353 title Slackware 14.0 / 14.1 / current : libxml2 (SSA:2016-148-01) NASL family SuSE Local Security Checks NASL id SUSE_SU-2016-1604-1.NASL description This update for libxml2 fixes the following security issues : - CVE-2016-2073, CVE-2015-8806, CVE-2016-1839: A Heap-buffer overread was fixed in libxml2/dict.c [bsc#963963, bsc#965283, bsc#981114]. - CVE-2016-4483: Code was added to avoid an out of bound access when serializing malformed strings [bsc#978395]. - CVE-2016-1762: Fixed a heap-based buffer overread in xmlNextChar [bsc#981040]. - CVE-2016-1834: Fixed a heap-buffer-overflow in xmlStrncat [bsc#981041]. - CVE-2016-1833: Fixed a heap-based buffer overread in htmlCurrentChar [bsc#981108]. - CVE-2016-1835: Fixed a heap use-after-free in xmlSAX2AttributeNs [bsc#981109]. - CVE-2016-1837: Fixed a heap use-after-free in htmlParsePubidLiteral and htmlParseSystemiteral [bsc#981111]. - CVE-2016-1838: Fixed a heap-based buffer overread in xmlParserPrintFileContextInternal [bsc#981112]. - CVE-2016-1840: Fixed a heap-buffer-overflow in xmlFAParsePosCharGroup [bsc#981115]. - CVE-2016-4447: Fixed a heap-based buffer-underreads due to xmlParseName [bsc#981548]. - CVE-2016-4448: Fixed some format string warnings with possible format string vulnerability [bsc#981549], - CVE-2016-4449: Fixed inappropriate fetch of entities content [bsc#981550]. - CVE-2016-3705: Fixed missing increment of recursion counter. Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues. last seen 2020-06-01 modified 2020-06-02 plugin id 93154 published 2016-08-29 reporter This script is Copyright (C) 2016-2019 and is owned by Tenable, Inc. or an Affiliate thereof. source https://www.tenable.com/plugins/nessus/93154 title SUSE SLES11 Security Update : libxml2 (SUSE-SU-2016:1604-1)
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References
- https://www.debian.org/security/2016/dsa-3593
- http://www.ubuntu.com/usn/USN-2994-1
- https://git.gnome.org/browse/libxml2/commit/?id=00906759053986b8079985644172085f74331f83
- http://www.openwall.com/lists/oss-security/2016/05/25/2
- http://xmlsoft.org/news.html
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.404722
- https://access.redhat.com/errata/RHSA-2016:1292
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00003.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00000.html
- https://support.apple.com/HT206904
- https://support.apple.com/HT206899
- https://support.apple.com/HT206902
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00001.html
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00005.html
- https://support.apple.com/HT206905
- https://support.apple.com/HT206903
- http://lists.apple.com/archives/security-announce/2016/Jul/msg00002.html
- https://support.apple.com/HT206901
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05194709
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://www.securityfocus.com/bid/90864
- https://kc.mcafee.com/corporate/index?page=content&id=SB10170
- https://www.tenable.com/security/tns-2016-18
- http://www.securitytracker.com/id/1036348
- http://rhn.redhat.com/errata/RHSA-2016-2957.html