This script is Copyright (C) 2013 Tenable Network Security, Inc.
The remote Oracle Linux host is missing one or more security updates.
From Red Hat Security Advisory 2013:1426 :
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.
A use-after-free flaw was found in the way the X.Org server handled
ImageText requests. A malicious, authorized client could use this flaw
to crash the X.Org server or, potentially, execute arbitrary code with
root privileges. (CVE-2013-4396)
Red Hat would like to thank the X.Org security team for reporting this
issue. Upstream acknowledges Pedro Ribeiro as the original reporter.
All xorg-x11-server users are advised to upgrade to these updated
packages, which contain a backported patch to correct this issue.
See also :
Update the affected xorg-x11-server packages.
Risk factor :
Medium / CVSS Base Score : 6.5
CVSS Temporal Score : 5.7
Public Exploit Available : false