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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                     >= 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 ">=media-libs/libsndfile-1.0.19"

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