xzgv: Multiple overflows

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200501-09 / xzgv
Release Date	January 06, 2005
Latest Revision	January 06, 2005: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-gfx/xzgv	<= 0.8	>= 0.8-r1	All supported architectures

Related bugreports: #74069

Synopsis

xzgv contains multiple overflows that may lead to the execution of arbitrary code.

2. Impact Information

Background

xzgv is a picture viewer for X, with a thumbnail-based file selector.

Description

Multiple overflows have been found in the image processing code of xzgv, including an integer overflow in the PRF parsing code (CAN-2004-0994).

Impact

An attacker could entice a user to open or browse a specially-crafted image file, potentially resulting in the execution of arbitrary code with the rights of the user running xzgv.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All xzgv users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/xzgv-0.8-r1"

4. References

Page updated January 06, 2005

Summary: This is a Gentoo Linux Security Advisory

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