xine-lib: Buffer overflow vulnerability

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 200604-16 / xine-lib
Release Date	April 26, 2006
Latest Revision	April 26, 2006: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
media-libs/xine-lib	< 1.1.2_pre20060328-r1	>= 1.1.2_pre20060328-r1	All supported architectures

Related bugreports: #128838

Synopsis

xine-lib contains a buffer overflow vulnerability which may lead to the execution of arbitrary code.

2. Impact Information

Background

xine-lib is the xine core engine. xine is a free multimedia player. It plays CDs, DVDs, and VCDs, and can also decode other common multimedia formats.

Description

Federico L. Bossi Bonin discovered that when handling MPEG streams xine-lib fails to make a proper boundary check of the input data supplied by the user before copying it to an insufficiently sized memory buffer.

Impact

A remote attacker could entice a user to play a specially-crafted MPEG file, resulting in the execution of arbitrary code with the permissions of the user running the application.

3. Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All xine-lib users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/xine-lib-1.1.2_pre20060328-r1"

4. References

CVE-2006-1664

Updated April 26, 2006

Summary: This is a Gentoo Linux Security Advisory

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