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From: koon at gentoo.org (Thierry Carrez)
Subject: [ GLSA 200412-21 ] MPlayer: Multiple overflows

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Gentoo Linux Security Advisory                           GLSA 200412-21
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: MPlayer: Multiple overflows
      Date: December 20, 2004
      Bugs: #74473
        ID: 200412-21

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Synopsis
========

Multiple overflow vulnerabilities have been found in MPlayer,
potentially resulting in remote executing of arbitrary code.

Background
==========

MPlayer is a media player capable of handling multiple multimedia file
formats.

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

    -------------------------------------------------------------------
     Package              /    Vulnerable    /              Unaffected
    -------------------------------------------------------------------
  1  media-video/mplayer     <= 1.0_pre5-r4             >= 1.0_pre5-r5

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

iDEFENSE, Ariel Berkman and the MPlayer development team found multiple
vulnerabilities in MPlayer. These include potential heap overflows in
Real RTSP and pnm streaming code, stack overflows in MMST streaming
code and multiple buffer overflows in BMP demuxer and mp3lib code.

Impact
======

A remote attacker could craft a malicious file or design a malicious
streaming server. Using MPlayer to view this file or connect to this
server could trigger an overflow and execute attacker-controlled 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_pre5-r5"

References
==========

  [ 1 ] iDEFENSE Advisory

http://www.idefense.com/application/poi/display?id=168&type=vulnerabilities
  [ 2 ] iDEFENSE Advisory

http://www.idefense.com/application/poi/display?id=167&type=vulnerabilities
  [ 3 ] iDEFENSE Advisory

http://www.idefense.com/application/poi/display?id=166&type=vulnerabilities
  [ 4 ] Ariel Berkman Advisory
        http://tigger.uic.edu/~jlongs2/holes/mplayer.txt

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

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

  http://security.gentoo.org/glsa/glsa-200412-21.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/2.0

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