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TUCoPS :: Linux :: Gentoo :: tb10416.htm

xine-lib: Heap-based buffer overflow



xine-lib: Heap-based buffer overflow
xine-lib: Heap-based buffer overflow




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Gentoo Linux Security Advisory                           GLSA 200704-09
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: xine-lib: Heap-based buffer overflow
      Date: April 14, 2007
      Bugs: #170208
        ID: 200704-09

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Synopsis
=======
xine-lib is vulnerable to a heap-based buffer overflow.

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

Affected packages
================
    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  media-libs/xine-lib     < 1.1.4-r2                    >= 1.1.4-r2
    -------------------------------------------------------------------
     # Package 1 only applies to x86 users.

Description
==========
xine-lib does not check boundaries on data being read into buffers from
DMO video files in code that is shared with MPlayer
(DMO_VideoDecoder.c).

Impact
=====
An attacker could entice a user to play a specially crafted DMO video
file 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 on the x86 platform should upgrade to the latest
version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-libs/xine-lib-1.1.4-r2"

References
=========
  [ 1 ] CVE-2007-1246
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1246 

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

http://security.gentoo.org/glsa/glsa-200704-09.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 2007 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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