CVE-2013-6425 Integer overflow in n/a

Medium 5.0 Published 18 Jan 2014 Updated 6 Aug 2024

An integer underflow in Pixman allows attackers to cause a denial of service via a negative bottom value, affecting applications using X.Org or cairo.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2013-6425?

CVE-2013-6425 is a medium-severity vulnerability in Canonical Ubuntu Linux, published on 18 Jan 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-191

Which versions are affected by CVE-2013-6425?

It affects 10 products.

Linux distribution packages (18)

`pixman` Red Hat:enterprise_linux:5::client	All versions	`0:0.22.0-2.2.el5_10`
`pixman-debuginfo` Red Hat:enterprise_linux:5::client	All versions	`0:0.22.0-2.2.el5_10`
`pixman-devel` Red Hat:enterprise_linux:5::client	All versions	`0:0.22.0-2.2.el5_10`
`pixman` Red Hat:enterprise_linux:6::client	All versions	`0:0.26.2-5.1.el6_5`
`pixman-debuginfo` Red Hat:enterprise_linux:6::client	All versions	`0:0.26.2-5.1.el6_5`
`pixman-devel` Red Hat:enterprise_linux:6::client	All versions	`0:0.26.2-5.1.el6_5`
`pixman` Red Hat:enterprise_linux:6::computenode	All versions	`0:0.26.2-5.1.el6_5`
`pixman-debuginfo` Red Hat:enterprise_linux:6::computenode	All versions	`0:0.26.2-5.1.el6_5`
`pixman-devel` Red Hat:enterprise_linux:6::computenode	All versions	`0:0.26.2-5.1.el6_5`
`pixman` Red Hat:enterprise_linux:6::server	All versions	`0:0.26.2-5.1.el6_5`
`pixman-debuginfo` Red Hat:enterprise_linux:6::server	All versions	`0:0.26.2-5.1.el6_5`
`pixman-devel` Red Hat:enterprise_linux:6::server	All versions	`0:0.26.2-5.1.el6_5`
`pixman` Red Hat:enterprise_linux:6::workstation	All versions	`0:0.26.2-5.1.el6_5`
`pixman-debuginfo` Red Hat:enterprise_linux:6::workstation	All versions	`0:0.26.2-5.1.el6_5`
`pixman-devel` Red Hat:enterprise_linux:6::workstation	All versions	`0:0.26.2-5.1.el6_5`
`pixman` Red Hat:rhel_productivity:5	All versions	`0:0.22.0-2.2.el5_10`
`pixman-debuginfo` Red Hat:rhel_productivity:5	All versions	`0:0.22.0-2.2.el5_10`
`pixman-devel` Red Hat:rhel_productivity:5	All versions	`0:0.22.0-2.2.el5_10`

Products include Canonical Ubuntu Linux, Debian Debian Linux, Opensuse Opensuse, Pixman Pixman, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Eus and 4 more.

How do I fix CVE-2013-6425?

Upgrade to a fixed version.

Is CVE-2013-6425 being exploited?

There is no known exploitation of CVE-2013-6425 in the wild and no public exploit code.

All Canonical Ubuntu Linux vulnerabilities

Sources

Also known as DEBIAN-CVE-2013-6425, DSA-2823-1, GHSA-pm7m-xq2w-2q3x, MGASA-2013-0366, RHSA-2013:1869.