full-disclosure - [gentoo-announce] [ GLSA 200504-21 ] RealPlayer, Helix Player: Buffer overflow vulnerability

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Date: Fri Apr 22 21:28:43 2005
From: koon at gentoo.org (Thierry Carrez)
Subject: [gentoo-announce] [ GLSA 200504-21 ] RealPlayer,
	Helix Player: Buffer overflow vulnerability

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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@...too.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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