[ GLSA 200504-21 ] RealPlayer, Helix Player: Buffer overflow vulnerability

[Thierry Carrez <koon () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 200504-21
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                                            http://security.gentoo.org/
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  Severity: Normal
     Title: RealPlayer, Helix Player: Buffer overflow vulnerability
      Date: April 22, 2005
      Bugs: #89862
        ID: 200504-21

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Synopsis
========

RealPlayer and Helix Player are vulnerable to a buffer overflow that
could lead to remote execution of arbitrary code.

Background
==========

RealPlayer is a multimedia player capable of handling multiple
multimedia file formats. Helix Player is the Open Source version of
RealPlayer.

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

    -------------------------------------------------------------------
     Package                  /  Vulnerable  /              Unaffected
    -------------------------------------------------------------------
  1  media-video/realplayer       < 10.0.4                   >= 10.0.4
  2  media-video/helixplayer       < 1.0.4                    >= 1.0.4
    -------------------------------------------------------------------
     2 affected packages on all of their supported architectures.
    -------------------------------------------------------------------

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

Piotr Bania has discovered a buffer overflow vulnerability in
RealPlayer and Helix Player when processing malicious RAM files.

Impact
======

By enticing a user to play a specially crafted RAM file an attacker
could execute arbitrary code with the permissions of the user running
the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All RealPlayer users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-video/realplayer-10.0.4"

All Helix Player users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=media-video/helixplayer-1.0.4"

References
==========

  [ 1 ] CAN-2005-0755
        http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0755
  [ 2 ] RealNetworks Advisory
        http://service.real.com/help/faq/security/050419_player/EN/

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

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

  http://security.gentoo.org/glsa/glsa-200504-21.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 () gentoo org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2005 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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