[ GLSA 200811-03 ] FAAD2: User-assisted execution of arbitrary code

[Tobias Heinlein <keytoaster () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200811-03
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: FAAD2: User-assisted execution of arbitrary code
      Date: November 09, 2008
      Bugs: #238445
        ID: 200811-03

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Synopsis
========

A buffer overflow in FAAD2 might lead to user-assisted execution of
arbitrary code via an MP4 file.

Background
==========

FAAD2 is an open source MPEG-4 and MPEG-2 AAC decoder.

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

    -------------------------------------------------------------------
     Package           /  Vulnerable  /                     Unaffected
    -------------------------------------------------------------------
  1  media-libs/faad2     < 2.6.1-r2                       >= 2.6.1-r2

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

The ICST-ERCIS (Peking University) reported a heap-based buffer
overflow in the decodeMP4file() function in frontend/main.c.

Impact
======

A remote attacker could entice a user to open a specially crafted
MPEG-4 (MP4) file in an application using FAAD2, possibly leading to
the execution of arbitrary code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All FAAD2 users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-libs/faad2-2.6.1-r2"

References
==========

  [ 1 ] CVE-2008-4201
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4201

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

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

  http://security.gentoo.org/glsa/glsa-200811-03.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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