CentOS 5 / 6 : xorg-x11-server (CESA-2013:1868)

medium Nessus Plugin ID 71583

Synopsis

The remote CentOS host is missing one or more security updates.

Description

Updated xorg-x11-server packages that fix one security issue are now available for Red Hat Enterprise Linux 5 and 6.

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.

X.Org is an open source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.

An integer overflow, which led to a heap-based buffer overflow, was found in the way X.Org server handled trapezoids. A malicious, authorized client could use this flaw to crash the X.Org server or, potentially, execute arbitrary code with root privileges.
(CVE-2013-6424)

All xorg-x11-server users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.

Solution

Update the affected xorg-x11-server packages.

See Also

http://www.nessus.org/u?960f6964

http://www.nessus.org/u?c2dda933

Plugin Details

Severity: Medium

ID: 71583

File Name: centos_RHSA-2013-1868.nasl

Version: 1.13

Type: local

Agent: unix

Published: 12/23/2013

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2013-6424

Vulnerability Information

CPE: p-cpe:/a:centos:centos:xorg-x11-server-source, p-cpe:/a:centos:centos:xorg-x11-server-xvnc-source, p-cpe:/a:centos:centos:xorg-x11-server-sdk, p-cpe:/a:centos:centos:xorg-x11-server-xvfb, p-cpe:/a:centos:centos:xorg-x11-server-xdmx, p-cpe:/a:centos:centos:xorg-x11-server-common, p-cpe:/a:centos:centos:xorg-x11-server-devel, cpe:/o:centos:centos:6, p-cpe:/a:centos:centos:xorg-x11-server-xorg, p-cpe:/a:centos:centos:xorg-x11-server-xephyr, p-cpe:/a:centos:centos:xorg-x11-server-xnest, cpe:/o:centos:centos:5

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

Exploit Ease: No known exploits are available

Patch Publication Date: 12/20/2013

Vulnerability Publication Date: 1/18/2014

Reference Information

CVE: CVE-2013-6424

BID: 64127

RHSA: 2013:1868