X.org: libXpm vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200503-15 / X.org
Release Date	March 12, 2005
Latest Revision	March 12, 2005: 02
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
x11-base/xorg-x11	< 6.8.2-r1	revision >= 6.8.0-r5, >= 6.8.2-r1	All supported architectures

Related bugreports: #83598

Synopsis

A new vulnerability has been discovered in libXpm, which is included in X.org, that can potentially lead to remote code execution.

2. Impact Information

Background

libXpm is a pixmap manipulation library for the X Window System, included in X.org.

Description

Chris Gilbert has discovered potentially exploitable buffer overflow cases in libXpm that weren't fixed in previous libXpm versions.

Impact

A carefully-crafted XPM file could crash X.org, potentially allowing the execution of arbitrary code with the privileges of the user running the application.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All X.org users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose x11-base/xorg-x11

4. References

Updated March 12, 2005

Summary: This is a Gentoo Linux Security Advisory

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