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Gentoo: 201312-11 Win32 Codecs: User-assisted execution of arbitrary code Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
Gentoo A buffer overflow vulnerability in Win32 Codecs can potentially allow for user-assisted arbitrary code execution.
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Gentoo Linux Security Advisory                           GLSA 201312-11
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                                            http://security.gentoo.org/
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 Severity: Normal
    Title: Win32 Codecs: User-assisted execution of arbitrary code
     Date: December 16, 2013
     Bugs: #232999
       ID: 201312-11

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Synopsis
========

A buffer overflow vulnerability in Win32 Codecs can potentially allow
for user-assisted arbitrary code execution.

Background
==========

Win32 Codecs is a set of Windows audio and video playback codecs.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  media-libs/win32codecs    <= 20071007-r4              Vulnerable!
    -------------------------------------------------------------------
     NOTE: Certain packages are still vulnerable. Users should migrate
           to another package if one is available or wait for the
           existing packages to be marked stable by their
           architecture maintainers.

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

A heap-based buffer overflow exists when handling Shockwave Flash
files.

Impact
======

A remote attacker could entice a user to open a specially crafted Flash
file using a package linked against Win32 Codecs, possibly resulting in
execution of arbitrary code with the privileges of the process or a
Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

Gentoo has discontinued support for Win32 Codecs. We recommend that
users unmerge Win32 Codecs:

  # emerge --unmerge "media-libs/win32codecs"

References
==========

[ 1 ] CVE-2007-5400
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2007-5400

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

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

 http://security.gentoo.org/glsa/glsa-201312-11.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
https://bugs.gentoo.org.

License

Copyright 2013 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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