CVE-2013-6424 Integer overflow in n/a

Medium 5.0 Published Updated

An integer underflow in X.Org allows attackers to cause a denial of service via a negative bottom value, impacting system stability.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2013-6424?

CVE-2013-6424 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 18 Jan 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Integer underflow in the xTrapezoidValid macro in render/picture.h in X.Org allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.

Weakness: CWE-191

Which versions are affected by CVE-2013-6424?

It affects 4 products.

Linux distribution packages (40)
xorg-x11-server Red Hat:enterprise_linux:5::clientAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xdmx Red Hat:enterprise_linux:5::clientAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xephyr Red Hat:enterprise_linux:5::clientAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xnest Red Hat:enterprise_linux:5::clientAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xorg Red Hat:enterprise_linux:5::clientAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xvfb Red Hat:enterprise_linux:5::clientAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xvnc-source Red Hat:enterprise_linux:5::clientAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-debuginfo Red Hat:enterprise_linux:5::clientAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server Red Hat:enterprise_linux:5::client_workstationAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-debuginfo Red Hat:enterprise_linux:5::client_workstationAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-sdk Red Hat:enterprise_linux:5::client_workstationAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server Red Hat:enterprise_linux:5::serverAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xdmx Red Hat:enterprise_linux:5::serverAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xephyr Red Hat:enterprise_linux:5::serverAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xnest Red Hat:enterprise_linux:5::serverAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xorg Red Hat:enterprise_linux:5::serverAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xvfb Red Hat:enterprise_linux:5::serverAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-Xvnc-source Red Hat:enterprise_linux:5::serverAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-debuginfo Red Hat:enterprise_linux:5::serverAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server-sdk Red Hat:enterprise_linux:5::serverAll versions0:1.1.1-48.101.el5_10.2
xorg-x11-server Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xdmx Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xephyr Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xnest Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xorg Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xvfb Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-common Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-debuginfo Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-devel Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-source Red Hat:enterprise_linux:6::clientAll versions0:1.13.0-23.1.el6_5
xorg-x11-server Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xdmx Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xephyr Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xnest Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xorg Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-Xvfb Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-common Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-debuginfo Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-devel Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5
xorg-x11-server-source Red Hat:enterprise_linux:6::computenodeAll versions0:1.13.0-23.1.el6_5

Products include Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Opensuse, Pixman Pixman.

How do I fix CVE-2013-6424?

Apply the vendor's patch.

Is CVE-2013-6424 being exploited?

There is no known exploitation of CVE-2013-6424 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-6424, DSA-2822-1, GHSA-vp3j-rhgw-hr9f, MGASA-2014-0016, RHSA-2013:1868.

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