GLSA-201412-06 : libxml2: Denial of Service

This script is Copyright (C) 2014-2015 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-201412-06
(libxml2: Denial of Service)

parser.c in libxml2 before 2.9.2 does not properly prevent entity
expansion even when entity substitution has been disabled.

Impact :

A context-dependent attacker could entice a user to a specially crafted
XML file using an application linked against libxml2, possibly resulting
in a Denial of Service condition.

Workaround :

There is no known workaround at this time.

See also :

https://security.gentoo.org/glsa/201412-06

Solution :

All libxml2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=dev-libs/libxml2-2.9.2'
Packages which depend on this library may need to be recompiled. Tools
such as revdep-rebuild may assist in identifying these packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 79959 ()

Bugtraq ID: 70644

CVE ID: CVE-2014-3660

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