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CVE-2013-0338

Status Candidate

Overview

libxml2 2.9.0 and earlier allows context-dependent attackers to cause a denial of service (CPU and memory consumption) via an XML file containing an entity declaration with long replacement text and many references to this entity, aka "internal entity expansion" with linear complexity.

Related Files

HP Security Bulletin HPSBGN03302 1
Posted Apr 2, 2015
Authored by HP | Site hp.com

HP Security Bulletin HPSBGN03302 1 - A potential security vulnerability has been identified with HP IceWall Federation Agent. The vulnerability could be exploited remotely resulting in Denial of Service (DoS). Revision 1 of this advisory.

tags | advisory, denial of service
advisories | CVE-2013-0338
SHA-256 | 0c598bb274eeeb91e08f4bc2f5e99d94c5348bad37c8dd43877df30730c3be7c
Gentoo Linux Security Advisory 201412-11
Posted Dec 12, 2014
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201412-11 - Multiple vulnerabilities have been found in AMD64 x86 emulation base libraries, the worst of which may allow remote execution of arbitrary code. Versions prior to 20140406-r1 are affected.

tags | advisory, remote, arbitrary, x86, vulnerability
systems | linux, gentoo
advisories | CVE-2007-0720, CVE-2007-1536, CVE-2007-2026, CVE-2007-2445, CVE-2007-2741, CVE-2007-3108, CVE-2007-4995, CVE-2007-5116, CVE-2007-5135, CVE-2007-5266, CVE-2007-5268, CVE-2007-5269, CVE-2007-5849, CVE-2010-1205, CVE-2013-0338, CVE-2013-0339, CVE-2013-1664, CVE-2013-1969, CVE-2013-2877, CVE-2014-0160
SHA-256 | 0d52bd946d4c830b5f1f480535296f513bafe2d3abc811d6666cbb6fb317a087
Gentoo Linux Security Advisory 201311-06
Posted Nov 11, 2013
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201311-6 - Multiple vulnerabilities have been found in libxml2, allowing remote attackers to execute arbitrary code or cause Denial of Service. Versions less than 2.9.1-r1 are affected.

tags | advisory, remote, denial of service, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2012-2871, CVE-2012-5134, CVE-2013-0338, CVE-2013-1664, CVE-2013-1969, CVE-2013-2877
SHA-256 | 4a661c45126cb28fec4cfaca3ea442365ce97bcf38318f65b028a97746e2ef46
Mandriva Linux Security Advisory 2013-056
Posted Apr 8, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-056 - A heap-buffer overflow was found in the way libxml2 decoded certain XML entities. A remote attacker could provide a specially-crafted XML file, which once opened in an application linked against libxml would cause that application to crash, or, potentially, execute arbitrary code with the privileges of the user running the application. A denial of service flaw was found in the way libxml2 performed string substitutions when entity values for entity references replacement was enabled. A remote attacker could provide a specially-crafted XML file that, when processed by an application linked against libxml2, would lead to excessive CPU consumption. An Off-by-one error in libxml2 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors. Multiple integer overflows in libxml2, on 64-bit Linux platforms allow remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors. The updated packages have been patched to correct these issues.

tags | advisory, remote, denial of service, overflow, arbitrary
systems | linux, mandriva
advisories | CVE-2012-5134, CVE-2013-0338, CVE-2011-3102, CVE-2012-2807
SHA-256 | af9acf74042cc531e03902efd1151ff0e9a6cd65cb241177b80784cbcf067a2b
Ubuntu Security Notice USN-1782-1
Posted Mar 28, 2013
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1782-1 - It was discovered that libxml2 incorrectly handled XML entity expansion. An attacker could use this flaw to cause libxml2 to consume large amounts of resources, resulting in a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2013-0338
SHA-256 | 8016649df7936a08004b2ecb225d08e87a24eada7f4d4e8cc369501b71865951
Debian Security Advisory 2652-1
Posted Mar 26, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2652-1 - Brad Hill of iSEC Partners discovered that many XML implementations are vulnerable to external entity expansion issues, which can be used for various purposes such as firewall circumvention, disguising an IP address, and denial-of-service. libxml2 was susceptible to these problems when performing string substitution during entity expansion.

tags | advisory
systems | linux, debian
advisories | CVE-2013-0338, CVE-2013-0339
SHA-256 | 04ec56e7cfa9d1647f6ba4df2f17ae024aed83c6e87c37677e43bc3a80341400
Mandriva Linux Security Advisory 2013-017
Posted Mar 6, 2013
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2013-017 - A denial of service flaw was found in the way libxml2 performed string substitutions when entity values for entity references replacement was enabled. A remote attacker could provide a specially-crafted XML file that, when processed by an application linked against libxml2, would lead to excessive CPU consumption. The updated packages have been upgraded to the 2.7.6 version and patched to correct this issue.

tags | advisory, remote, denial of service
systems | linux, mandriva
advisories | CVE-2013-0338
SHA-256 | 34b284fe798b5b0d153a18991515bc5539739d12335991c5a256cbe3ca760674
Red Hat Security Advisory 2013-0581-01
Posted Mar 1, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0581-01 - The libxml2 library is a development toolbox providing the implementation of various XML standards. A denial of service flaw was found in the way libxml2 performed string substitutions when entity values for entity references replacement was enabled. A remote attacker could provide a specially-crafted XML file that, when processed by an application linked against libxml2, would lead to excessive CPU consumption. All users of libxml2 are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. The desktop must be restarted for this update to take effect.

tags | advisory, remote, denial of service
systems | linux, redhat
advisories | CVE-2013-0338
SHA-256 | 83255a61e34136f5a53d070ef5f7ed6fcc3c0acc3d075ab3db2fc929b13b0576
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