medium
5
CWE
191
Advisory Published
Updated

CVE-2013-6425: Integer Underflow

First published: Sat Jan 18 2014(Updated: )

Integer underflow in the pixman_trapezoid_valid macro in pixman.h in Pixman before 0.32.0, as used in X.Org server and cairo, allows context-dependent attackers to cause a denial of service (crash) via a negative bottom value.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
Pixman<0.32.0
Ubuntu Linux=12.04
Ubuntu Linux=12.10
Ubuntu Linux=13.04
Ubuntu Linux=13.10
Debian Debian Linux=6.0
Debian Debian Linux=7.0
redhat enterprise Linux desktop=5.0
redhat enterprise Linux desktop=6.0
redhat enterprise Linux eus=6.5
redhat enterprise Linux server=5.0
redhat enterprise Linux server=6.0
redhat enterprise Linux server aus=6.5
redhat enterprise Linux server tus=6.5
redhat enterprise Linux workstation=5.0
redhat enterprise Linux workstation=6.0
openSUSE=11.4
openSUSE=12.2
openSUSE=12.3
openSUSE=13.1

Remedy

http://cgit.freedesktop.org/pixman/commit/?id=5e14da97f16e421d084a9e735be21b1025150f0c

Remedy

http://lists.freedesktop.org/archives/pixman/2013-November/003109.html

Remedy

https://bugs.freedesktop.org/show_bug.cgi?id=67484

Remedy

https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1197921

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2013-6425?

    CVE-2013-6425 is considered a high severity vulnerability due to its potential to cause denial of service through software crashes.

  • How do I fix CVE-2013-6425?

    To fix CVE-2013-6425, upgrade Pixman to version 0.32.0 or later.

  • What systems are vulnerable to CVE-2013-6425?

    Vulnerable systems include various versions of Ubuntu, Debian, RedHat, and openSUSE using Pixman prior to version 0.32.0.

  • What type of attack does CVE-2013-6425 enable?

    CVE-2013-6425 enables denial of service attacks by allowing attackers to crash affected applications.

  • Is CVE-2013-6425 a remote exploit?

    CVE-2013-6425 can be exploited by context-dependent attackers, which typically means that local user interaction may be required.

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