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Gentoo Linux Security Advisory                           GLSA 200801-12
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: xine-lib: User-assisted execution of arbitrary code
      Date: January 27, 2008
      Bugs: #205197
        ID: 200801-12

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Synopsis
========

xine-lib is vulnerable to multiple heap-based buffer overflows when
processing RTSP streams.

Background
==========

xine-lib is the core library package for the xine media player.

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

    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  media-libs/xine-lib      < 1.1.9.1                     >= 1.1.9.1

Description
===========

Luigi Auriemma reported that xine-lib does not properly check
boundaries when processing SDP attributes of RTSP streams, leading to
heap-based buffer overflows.

Impact
======

An attacker could entice a user to play specially crafted RTSP video
streams with a player using xine-lib, potentially resulting in the
execution of arbitrary code with the privileges of the user running the
player.

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-1.1.9.1"

References
==========

  [ 1 ] CVE-2008-0225
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0225
  [ 2 ] CVE-2008-0238
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0238

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

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

  http://security.gentoo.org/glsa/glsa-200801-12.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 2008 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/2.5

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