Test ID:	1.3.6.1.4.1.25623.1.0.105550
Category:	F5 Local Security Checks
Title:	F5 BIG-IP - libXML2 vulnerabilities CVE-2015-7941 and CVE-2015-7942
Summary:	The remote host is missing a security patch.
Description:	Summary: The remote host is missing a security patch. Vulnerability Insight: libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities. The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entities when it stops parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted XML data, a different vulnerability than CVE-2015-7941. Vulnerability Impact: CVE-2015-7941libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities.CVE-2015-7942The xmlParseConditionalSections function in parser.c in libxml2 does not properly skip intermediary entities when it stops parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via crafted XML data, a different vulnerability than CVE-2015-7941. Solution: See the referenced vendor advisory for a solution. CVSS Score: 6.8 CVSS Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2015-7941 BugTraq ID: 74241 http://www.securityfocus.com/bid/74241 Debian Security Information: DSA-3430 (Google Search) http://www.debian.org/security/2015/dsa-3430 http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html https://security.gentoo.org/glsa/201701-37 HPdes Security Advisory: HPSBGN03537 http://marc.info/?l=bugtraq&m=145382616617563&w=2 http://www.openwall.com/lists/oss-security/2015/10/22/5 http://www.openwall.com/lists/oss-security/2015/10/22/8 RedHat Security Advisories: RHSA-2015:2549 http://rhn.redhat.com/errata/RHSA-2015-2549.html RedHat Security Advisories: RHSA-2015:2550 http://rhn.redhat.com/errata/RHSA-2015-2550.html RedHat Security Advisories: RHSA-2016:1089 http://rhn.redhat.com/errata/RHSA-2016-1089.html http://www.securitytracker.com/id/1034243 SuSE Security Announcement: openSUSE-SU-2015:2372 (Google Search) http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html SuSE Security Announcement: openSUSE-SU-2016:0106 (Google Search) http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html http://www.ubuntu.com/usn/USN-2812-1 Common Vulnerability Exposure (CVE) ID: CVE-2015-7942 http://lists.apple.com/archives/security-announce/2016/Mar/msg00000.html http://lists.apple.com/archives/security-announce/2016/Mar/msg00001.html http://lists.apple.com/archives/security-announce/2016/Mar/msg00002.html http://lists.apple.com/archives/security-announce/2016/Mar/msg00004.html BugTraq ID: 79507 http://www.securityfocus.com/bid/79507
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