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GLSA-201207-02 : libxml2: User-assisted execution of arbitrary code

medium Nessus Plugin ID 59894

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Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201207-02 (libxml2: User-assisted execution of arbitrary code)

 The 'xmlXPtrEvalXPtrPart()' function in xpointer.c contains an off-by-one error.
 Impact :

 A remote attacker could entice a user or automated system to open a specially crafted XML document with an application using libxml2, possibly resulting in execution of arbitrary code or a Denial of Service condition.
 Workaround :

 There is no known workaround at this time.

Solution

All libxml2 users should upgrade to the latest version:
 # emerge --sync # emerge --ask --oneshot --verbose '>=dev-libs/libxml2-2.8.0_rc1'

See Also

https://security.gentoo.org/glsa/201207-02

Plugin Details

Severity: Medium

ID: 59894

File Name: gentoo_GLSA-201207-02.nasl

Version: 1.12

Type: local

Published: 7/10/2012

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:libxml2, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Ease: No known exploits are available

Patch Publication Date: 7/9/2012

Reference Information

CVE: CVE-2011-3102

BID: 53540

GLSA: 201207-02