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From: koon at gentoo.org (Thierry Carrez)
Subject: [ GLSA 200409-20 ] mpg123: Buffer overflow vulnerability

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Gentoo Linux Security Advisory                           GLSA 200409-20
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: mpg123: Buffer overflow vulnerability
      Date: September 16, 2004
      Bugs: #63079
        ID: 200409-20

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Synopsis
========

mpg123 decoding routines contain a buffer overflow bug that might lead
to arbitrary code execution.

Background
==========

mpg123 is a MPEG Audio Player.

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

    -------------------------------------------------------------------
     Package             /   Vulnerable   /                 Unaffected
    -------------------------------------------------------------------
  1  media-sound/mpg123      <= 0.59s-r3                   >= 0.59s-r4

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

mpg123 contains a buffer overflow in the code that handles layer2
decoding of media files.

Impact
======

An attacker can possibly exploit this bug with a specially-crafted mp3
or mp2 file to execute arbitrary code with the permissions of the user
running mpg123.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All mpg123 users should upgrade to the latest version:

    # emerge sync

    # emerge -pv ">=media-sound/mpg123-0.59s-r4"
    # emerge ">=media-sound/mpg123-0.59s-r4"

References
==========

  [ 1 ] BugTraq Announcement

http://www.securityfocus.com/archive/1/374433/2004-09-05/2004-09-11/0
  [ 2 ] CAN-2004-0805
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0805

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

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

  http://security.gentoo.org/glsa/glsa-200409-20.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@...too.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2004 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/1.0

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