[Full-disclosure] [ GLSA 200503-15 ] X.org: libXpm vulnerability

From: Matthias Geerdsen (vorlon_at_gentoo.org)
Date: 03/12/05

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To: gentoo-announce@lists.gentoo.org

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    Gentoo Linux Security Advisory GLSA 200503-15
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                                                http://security.gentoo.org/
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      Severity: Normal
         Title: X.org: libXpm vulnerability
          Date: March 12, 2005
       Updated: March 12, 2005
          Bugs: #83598
            ID: 200503-15

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    Synopsis
    ========

    A new vulnerability has been discovered in libXpm, which is included in
    X.org, that can potentially lead to remote code execution.

    Background
    ==========

    libXpm is a pixmap manipulation library for the X Window System,
    included in X.org.

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

        -------------------------------------------------------------------
         Package / Vulnerable / Unaffected
        -------------------------------------------------------------------
      1 x11-base/xorg-x11 < 6.8.2-r1 *>= 6.8.0-r5
    >= 6.8.2-r1

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

    Chris Gilbert has discovered potentially exploitable buffer overflow
    cases in libXpm that weren't fixed in previous libXpm versions.

    Impact
    ======

    A carefully-crafted XPM file could crash X.org, potentially allowing
    the execution of arbitrary code with the privileges of the user running
    the application.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All X.org users should upgrade to the latest version:

        # emerge --sync
        # emerge --ask --oneshot --verbose x11-base/xorg-x11

    References
    ==========

      [ 1 ] CAN-2005-0605
            http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0605
      [ 2 ] Freedesktop bug
            https://bugs.freedesktop.org/show_bug.cgi?id=1920

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

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

      http://security.gentoo.org/glsa/glsa-200503-15.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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