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Gentoo Linux Security Advisory                           GLSA 200604-16
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: xine-lib: Buffer overflow vulnerability
      Date: April 26, 2006
      Bugs: #128838
        ID: 200604-16

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Synopsis
========

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

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.

Affected packages
=================

    -------------------------------------------------------------------
     Package   /        Vulnerable        /                 Unaffected
    -------------------------------------------------------------------
  1  xine-lib     < 1.1.2_pre20060328-r1       >= 1.1.2_pre20060328-r1

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.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

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

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

References
==========

  [ 1 ] CVE-2006-1664
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1664

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  http://security.gentoo.org/glsa/glsa-200604-16.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0

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