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Gentoo Linux Security Advisory                           GLSA 200702-11
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: MPlayer: Buffer overflow
      Date: February 27, 2007
      Bugs: #159727
        ID: 200702-11

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Synopsis
========

A buffer overflow was found in MPlayer's RTSP plugin that could lead to
a Denial of Service or arbitrary code execution.

Background
==========

MPlayer is a media player capable of playing multiple media formats.

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

    -------------------------------------------------------------------
     Package              /   Vulnerable   /                Unaffected
    -------------------------------------------------------------------
  1  media-video/mplayer     < 1.0_rc1-r2                >= 1.0_rc1-r2

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

When checking for matching asm rules in the asmrp.c code, the results
are stored in a fixed-size array without boundary checks which may
allow a buffer overflow.

Impact
======

An attacker can entice a user to connect to a manipulated RTSP server
resulting in a Denial of Service and possibly execution of arbitrary
code.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All MPlayer users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose
 ">=media-video/mplayer-1.0_rc1-r2"

References
==========

  [ 1 ] Original Advisory
        http://www.mplayerhq.hu/design7/news.html#vuln14
  [ 2 ] CVE-2006-6172
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6172

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

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

  http://security.gentoo.org/glsa/glsa-200702-11.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 2007 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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