Test ID:	1.3.6.1.4.1.25623.1.0.71143
Category:	Debian Local Security Checks
Title:	Debian: Security Advisory (DSA-2417-1)
Summary:	The remote host is missing an update for the Debian 'libxml2' package(s) announced via the DSA-2417-1 advisory.
Description:	Summary: The remote host is missing an update for the Debian 'libxml2' package(s) announced via the DSA-2417-1 advisory. Vulnerability Insight: It was discovered that the internal hashing routine of libxml2, a library providing an extensive API to handle XML data, is vulnerable to predictable hash collisions. Given an attacker with knowledge of the hashing algorithm, it is possible to craft input that creates a large amount of collisions. As a result it is possible to perform denial of service attacks against applications using libxml2 functionality because of the computational overhead. For the stable distribution (squeeze), this problem has been fixed in version 2.7.8.dfsg-2+squeeze3. For the testing (wheezy) and unstable (sid) distributions, this problem will be fixed soon. We recommend that you upgrade your libxml2 packages. Affected Software/OS: 'libxml2' package(s) on Debian 6. Solution: Please install the updated package(s). CVSS Score: 5.0 CVSS Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2012-0841 1026723 http://securitytracker.com/id?1026723 52107 http://www.securityfocus.com/bid/52107 54886 http://secunia.com/advisories/54886 55568 http://secunia.com/advisories/55568 APPLE-SA-2013-09-18-2 http://lists.apple.com/archives/security-announce/2013/Sep/msg00006.html APPLE-SA-2013-10-22-8 http://lists.apple.com/archives/security-announce/2013/Oct/msg00009.html DSA-2417 http://www.debian.org/security/2012/dsa-2417 MDVSA-2013:150 http://www.mandriva.com/security/advisories?name=MDVSA-2013:150 RHSA-2012:0324 http://rhn.redhat.com/errata/RHSA-2012-0324.html RHSA-2013:0217 http://rhn.redhat.com/errata/RHSA-2013-0217.html SUSE-SU-2013:1627 http://lists.opensuse.org/opensuse-security-announce/2013-11/msg00002.html [oss-security] 20120222 libxml2: hash table collisions CPU usage DoS http://www.openwall.com/lists/oss-security/2012/02/22/1 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=660846 http://git.gnome.org/browse/libxml2/commit/?id=8973d58b7498fa5100a876815476b81fd1a2412a http://support.apple.com/kb/HT5934 http://support.apple.com/kb/HT6001 http://www.oracle.com/technetwork/topics/security/cpuapr2013-1899555.html http://www.xerox.com/download/security/security-bulletin/16287-4d6b7b0c81f7b/cert_XRX13-003_v1.0.pdf http://xmlsoft.org/news.html https://blogs.oracle.com/sunsecurity/entry/cve_2012_0841_denial_of
Copyright	Copyright (C) 2012 Greenbone AG

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