[Full-Disclosure] [ GLSA 200409-30 ] xine-lib: Multiple vulnerabilities

From: Thierry Carrez (koon_at_gentoo.org)
Date: 09/22/04

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    Date: Wed, 22 Sep 2004 22:26:27 +0200
    
    

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    Gentoo Linux Security Advisory GLSA 200409-30
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                                                http://security.gentoo.org/
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      Severity: Normal
         Title: xine-lib: Multiple vulnerabilities
          Date: September 22, 2004
          Bugs: #64348
            ID: 200409-30

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    Synopsis
    ========

    xine-lib contains several vulnerabilities potentially allowing the
    execution of arbitrary code.

    Background
    ==========

    xine-lib is a multimedia library which can be utilized to create
    multimedia frontends.

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

        -------------------------------------------------------------------
         Package / Vulnerable / Unaffected
        -------------------------------------------------------------------
      1 media-libs/xine-lib <= 1_rc5-r3 >= 1_rc6

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

    xine-lib contains two stack-based overflows and one heap-based
    overflow. In the code reading VCD disc labels, the ISO disc label is
    copied into an unprotected stack buffer of fixed size. Also, there is a
    buffer overflow in the code that parses subtitles and prepares them for
    display (XSA-2004-4). Finally, xine-lib contains a heap-based overflow
    in the DVD sub-picture decoder (XSA-2004-5).

    (Please note that the VCD MRL issue mentioned in XSA-2004-4 was fixed
    with GLSA 200408-18.)

    Impact
    ======

    With carefully-crafted VCDs, DVDs, MPEGs or subtitles, an attacker may
    cause xine-lib to execute arbitrary code with the permissions of the
    user.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All xine-lib users should upgrade to the latest version:

        # emerge sync

        # emerge -pv ">=media-libs/xine-lib-1_rc6"
        # emerge ">=media-libs/xine-lib-1_rc6"

    References
    ==========

      [ 1 ] BugTraq Announcement (XSA-2004-4)

    http://www.securityfocus.com/archive/1/375485/2004-09-02/2004-09-08/0
      [ 2 ] BugTraq Announcement (XSA-2004-5)

    http://www.securityfocus.com/archive/1/375482/2004-09-02/2004-09-08/0

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

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

      http://security.gentoo.org/glsa/glsa-200409-30.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 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/1.0

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    _______________________________________________
    Full-Disclosure - We believe in it.
    Charter: http://lists.netsys.com/full-disclosure-charter.html


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    Relevant Pages

    • [Full-Disclosure] [gentoo-announce] [ GLSA 200409-30 ] xine-lib: Multiple vulnerabilities
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