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Gentoo Linux Security Advisory                           GLSA 200808-01
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: xine-lib: User-assisted execution of arbitrary code
      Date: August 06, 2008
      Bugs: #213039, #214270, #218059
        ID: 200808-01

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Synopsis
=======
xine-lib is vulnerable to multiple buffer overflows when processing
media streams.

Background
=========
xine-lib is the core library package for the xine media player, and
other players such as Amarok, Codeine/Dragon Player and Kaffeine.

Affected packages
================
    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  media-libs/xine-lib      < 1.1.13                       >= 1.1.13

Description
==========
Multiple vulnerabilities have been discovered in xine-lib:

* Alin Rad Pop of Secunia reported an array indexing vulnerability in
  the sdpplin_parse() function in the file input/libreal/sdpplin.c when
  processing streams from RTSP servers that contain a large "streamid"
  SDP parameter (CVE-2008-0073).

* Luigi Auriemma reported multiple integer overflows that result in
  heap-based buffer overflows when processing ".FLV", ".MOV" ".RM",
  ".MVE", ".MKV", and ".CAK" files (CVE-2008-1482).

* Guido Landi reported a stack-based buffer overflow in the
  demux_nsf_send_chunk() function when handling titles within NES Music
  (.NSF) files (CVE-2008-1878).

Impact
=====
A remote attacker could entice a user to play a specially crafted video
file or stream 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-1.1.13"

References
=========
  [ 1 ] CVE-2008-0073
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0073 
  [ 2 ] CVE-2008-1482
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1482 
  [ 3 ] CVE-2008-1878
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1878 

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

http://security.gentoo.org/glsa/glsa-200808-01.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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