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Gentoo Linux Security Advisory                           GLSA 200607-01
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: mpg123: Heap overflow
      Date: July 03, 2006
      Bugs: #133988
        ID: 200607-01

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Synopsis
========

A heap overflow in mpg123 was discovered, which could result in the
execution of arbitrary code.

Background
==========

mpg123 is a real time audio player designed for the MPEG format.

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

    -------------------------------------------------------------------
     Package             /   Vulnerable   /                 Unaffected
    -------------------------------------------------------------------
  1  media-sound/mpg123      < 0.59s-r11                  >= 0.59s-r11

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

In httpdget.c, a variable is assigned to the heap, and is supposed to
receive a smaller allocation. As this variable was not terminated
properly, strncpy() will overwrite the data assigned next in memory.

Impact
======

By enticing a user to visit a malicious URL, an attacker could possibly
execute arbitrary code with the rights of the user running mpg123.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All mpg123 users should update to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
 ">=media-sound/mpg123-0.59s-r11"

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

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

  http://security.gentoo.org/glsa/glsa-200607-01.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 2006 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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