GLSA-201203-04 : libxml2: Denial of Service

medium Nessus Plugin ID 58214

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-201203-04 (libxml2: Denial of Service)

libxml2 does not properly randomize hash functions to protect against hash collision attacks.
Impact :

A remote attacker could entice a user or automated system to open a specially crafted XML document with an application using libxml2 resulting in 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/libxml2-2.7.8-r5'

See Also

https://security.gentoo.org/glsa/201203-04

Plugin Details

Severity: Medium

ID: 58214

File Name: gentoo_GLSA-201203-04.nasl

Version: 1.18

Type: local

Published: 3/6/2012

Updated: 1/6/2021

Risk Information

VPR

Risk Factor: Low

Score: 2.7

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P

Temporal Vector: E:U/RL:OF/RC:C

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: 3/6/2012

Reference Information

CVE: CVE-2012-0841

BID: 52107

GLSA: 201203-04