Oracle Linux 5 / 6 : xorg-x11-server (ELSA-2013-1868)
Medium Nessus Plugin ID 71610
SynopsisThe remote Oracle Linux host is missing one or more security updates.
DescriptionFrom 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.
All xorg-x11-server users are advised to upgrade to these updated packages, which contain a backported patch to correct this issue.
SolutionUpdate the affected xorg-x11-server packages.