Input validation error in Pixman - CVE-2013-6425
Published: January 18, 2014 / Updated: August 4, 2020
Vulnerability identifier: #VU33855
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-6425
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform service disruption.
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.
Affected software
Pixman
Amazon Linux AMI
Gentoo Linux
pixman (Alpine package)
Amazon Linux AMI
Gentoo Linux
pixman (Alpine package)
How to mitigate CVE-2013-6425
Install update from vendor's website.
Pixman - update to 0.32.0
pixman (Alpine package) - update to 0.24.4-r1
pixman (Alpine package) - update to 0.24.4-r1
External References
- http://cgit.freedesktop.org/pixman/commit/?id=5e14da97f16e421d084a9e735be21b1025150f0c
- http://lists.freedesktop.org/archives/pixman/2013-November/003109.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00001.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00008.html
- http://lists.opensuse.org/opensuse-updates/2014-01/msg00097.html
- http://rhn.redhat.com/errata/RHSA-2013-1869.html
- http://www.debian.org/security/2013/dsa-2823
- http://www.openwall.com/lists/oss-security/2013/12/03/8
- http://www.openwall.com/lists/oss-security/2013/12/04/8
- http://www.ubuntu.com/usn/USN-2047-1
- https://bugs.freedesktop.org/show_bug.cgi?id=67484
- https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1197921