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Gentoo Linux Security Advisory                           GLSA 200904-16
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: libsndfile: User-assisted execution of arbitrary code
      Date: April 17, 2009
      Bugs: #261173
        ID: 200904-16

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Synopsis
========

A buffer overflow vulnerability in libsndfile might allow remote
attackers to execute arbitrary code.

Background
==========

libsndfile is a C library for reading and writing files containing
sampled sound.

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

    -------------------------------------------------------------------
     Package                /  Vulnerable  /                Unaffected
    -------------------------------------------------------------------
  1  media-libs/libsndfile      < 1.0.19                     >=3D 1.0.19

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

Alin Rad Pop from Secunia Research reported an integer overflow when
processing CAF description chunks, leading to a heap-based buffer
overflow.

Impact
======

A remote attacker could entice a user to open a specially crafted CAF
file, resulting in the remote execution of arbitrary code with the
privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libsndfile users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
 ">=3Dmedia-libs/libsndfile-1.0.19"=


References
==========

  [ 1 ] CVE-2009-0186
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=3DCVE-2009-0186

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

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

  http://security.gentoo.org/glsa/glsa-200904-16.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 2009 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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