Oracle Linux 5 / 6 : xorg-x11-server (ELSA-2013-1868)

This script is Copyright (C) 2013-2014 Tenable Network Security, Inc.


Synopsis :

The remote Oracle Linux host is missing one or more security updates.

Description :

From Red Hat Security Advisory 2013:1868 :

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.

See also :

https://oss.oracle.com/pipermail/el-errata/2013-December/003898.html
https://oss.oracle.com/pipermail/el-errata/2013-December/003899.html

Solution :

Update the affected xorg-x11-server 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: Oracle Linux Local Security Checks

Nessus Plugin ID: 71610 ()

Bugtraq ID: 64127

CVE ID: CVE-2013-6424