CVE-2013-6424: Integer Underflow
First published: Sat Jan 18 2014(Updated: )
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.
Credit: secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/xorg-server | 2:1.20.11-1+deb11u13 2:1.20.11-1+deb11u15 2:21.1.7-3+deb12u9 2:21.1.16-1 | |
| SUSE Libpixman-1-0 | <0.31.2 | |
| Debian Linux | =6.0 | |
| Debian Linux | =7.0 | |
| openSUSE | =12.2 | |
| openSUSE | =12.3 | |
| openSUSE | =13.1 | |
| Ubuntu | =12.04 | |
| Ubuntu | =14.04 | |
| Ubuntu | =14.10 |
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Reference Links
- http://www.debian.org/security/2013/dsa-2822
- https://security.gentoo.org/glsa/201701-64
- https://security.gentoo.org/glsa/201710-30
- http://rhn.redhat.com/errata/RHSA-2013-1868.html
- http://www.ubuntu.com/usn/USN-2500-1
- http://www.openwall.com/lists/oss-security/2013/12/03/8
- http://www.openwall.com/lists/oss-security/2013/12/04/8
- http://lists.x.org/archives/xorg-devel/2013-October/037996.html
- https://bugs.freedesktop.org/show_bug.cgi?id=67484
- https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1197921
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00127.html
- https://launchpad.net/bugs/cve/CVE-2013-6424
- http://cgit.freedesktop.org/pixman/commit/?id=5e14da97f16e421d084a9e735be21b1025150f0c
- https://security-tracker.debian.org/tracker/CVE-2013-6424
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-6424
- https://nvd.nist.gov/vuln/detail/CVE-2013-6424
- https://ubuntu.com/security/CVE-2013-6424
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2013-6424.
What is the severity of CVE-2013-6424?
The severity of CVE-2013-6424 is medium.
Which software is affected by CVE-2013-6424?
The affected software includes Pixman, Debian Linux 6.0 and 7.0, OpenSUSE 12.2, 12.3, and 13.1, and Ubuntu Linux 12.04, 14.04, and 14.10.
How can a context-dependent attacker exploit CVE-2013-6424?
A context-dependent attacker can exploit CVE-2013-6424 to cause a denial of service (crash) by providing a negative value for the bottom parameter in the xTrapezoidValid macro.
Is there a fix available for CVE-2013-6424?
Yes, there are fixes available for CVE-2013-6424. Please refer to the references provided for more information on the available patches.
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