[ GLSA 200405-24 ] MPlayer, xine-lib: vulnerabilities in RTSP stream handling

From: Thierry Carrez (koon_at_gentoo.org)
Date: 05/28/04

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    Date: Fri, 28 May 2004 19:24:55 +0200
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    Gentoo Linux Security Advisory GLSA 200405-24
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                                                http://security.gentoo.org/
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      Severity: High
         Title: MPlayer, xine-lib: vulnerabilities in RTSP stream handling
          Date: May 28, 2004
          Bugs: #49387
            ID: 200405-24

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    Synopsis
    ========

    Multiple vulnerabilities, including remotely exploitable buffer
    overflows, have been found in code common to MPlayer and the xine
    library.

    Background
    ==========

    MPlayer is a movie player capable of handling multiple multimedia file
    formats. xine-lib is a multimedia player library used by several
    graphical user interfaces, including xine-ui. They both use the same
    code to handle Real-Time Streaming Protocol (RTSP) streams from
    RealNetworks servers.

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

        -------------------------------------------------------------------
         Package / Vulnerable / Unaffected
        -------------------------------------------------------------------
      1 media-video/mplayer < 1.0_pre4 >= 1.0_pre4
                                                                <= 0.92-r1
      2 media-libs/xine-lib < 1_rc4 >= 1_rc4
                                                              <= 0.9.13-r3

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

    Multiple vulnerabilities have been found and fixed in the RTSP handling
    code common to recent versions of these two packages. These
    vulnerabilities include several remotely exploitable buffer overflows.

    Impact
    ======

    A remote attacker, posing as a RTSP stream server, can execute
    arbitrary code with the rights of the user of the software playing the
    stream (MPlayer or any player using xine-lib). Another attacker may
    entice a user to use a maliciously crafted URL or playlist to achieve
    the same results.

    Workaround
    ==========

    For MPlayer, there is no known workaround at this time. For xine-lib,
    you can delete the xineplug_inp_rtsp.so file.

    Resolution
    ==========

    All users should upgrade to non-vulnerable versions of MPlayer and
    xine-lib:

        # emerge sync

        # emerge -pv ">=media-video/mplayer-1.0_pre4"
        # emerge ">=media-video/mplayer-1.0_pre4"

        # emerge -pv ">=media-libs/xine-lib-1_rc4"
        # emerge ">=media-libs/xine-lib-1_rc4"

    References
    ==========

      [ 1 ] Xine security advisory
            http://xinehq.de/index.php/security/XSA-2004-3
      [ 2 ] CAN-2004-0433
            http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0433

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

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

         http://security.gentoo.org/glsa/glsa-200405-24.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 2004 Gentoo Technologies, 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/1.0

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