RHEL 5 : libXfont (RHSA-2011:1834)

high Nessus Plugin ID 64016

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updated libXfont packages that fix one security issue are now available for Red Hat Enterprise Linux 5.6 Extended Update Support.

The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.

The libXfont packages provide the X.Org libXfont runtime library.
X.Org is an open source implementation of the X Window System.

A buffer overflow flaw was found in the way the libXfont library, used by the X.Org server, handled malformed font files compressed using UNIX compress. A malicious, local user could exploit this issue to potentially execute arbitrary code with the privileges of the X.Org server. (CVE-2011-2895)

Users of libXfont should upgrade to these updated packages, which contain a backported patch to resolve this issue. All running X.Org server instances must be restarted for the update to take effect.

Solution

Update the affected libXfont and / or libXfont-devel packages.

See Also

https://www.redhat.com/security/data/cve/CVE-2011-2895.html

http://rhn.redhat.com/errata/RHSA-2011-1834.html

Plugin Details

Severity: High

ID: 64016

File Name: redhat-RHSA-2011-1834.nasl

Version: 1.12

Type: local

Agent: unix

Published: 1/24/2013

Updated: 1/14/2021

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 6.9

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:libxfont, p-cpe:/a:redhat:enterprise_linux:libxfont-devel, cpe:/o:redhat:enterprise_linux:5.6

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/19/2011

Reference Information

CVE: CVE-2011-2895

BID: 49124

RHSA: 2011:1834