GLSA-201401-07 : libxslt: Denial of Service

This script is Copyright (C) 2014 Tenable Network Security, Inc.


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-201401-07
(libxslt: Denial of Service)

Multiple vulnerabilities have been found in libxslt:
Multiple errors exist in pattern.c and functions.c (CVE-2012-2870,
CVE-2012-6139).
A double-free error exists in templates.c (CVE-2012-2893).
A NULL pointer dereference in keys.c (CVE-2012-6139).
An error in handling stylesheets containing DTDs (CVE-2013-4520).

Impact :

A remote attacker could entice a user to process a specially crafted
file in an application linked against libxslt, possibly resulting in a
Denial of Service condition.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-201401-07.xml

Solution :

All libxslt users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-libs/libxslt-1.1.28'
Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying some of these packages.

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.9
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 71907 ()

Bugtraq ID: 55331
55676
58685
63548

CVE ID: CVE-2012-2870
CVE-2012-2893
CVE-2012-6139
CVE-2013-4520