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

From: Thierry Carrez (koon_at_gentoo.org)
Date: 04/22/05

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To: gentoo-announce@lists.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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