[ GLSA 200503-09 ] xv: Filename handling vulnerability

From: Thierry Carrez (koon_at_gentoo.org)
Date: 03/04/05

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To: gentoo-announce@lists.gentoo.org

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    Gentoo Linux Security Advisory GLSA 200503-09
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                                                http://security.gentoo.org/
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      Severity: Normal
         Title: xv: Filename handling vulnerability
          Date: March 04, 2005
          Bugs: #83686
            ID: 200503-09

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    Synopsis
    ========

    xv contains a format string vulnerability, potentially resulting in the
    execution of arbitrary code.

    Background
    ==========

    xv is an interactive image manipulation package for X11.

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

        -------------------------------------------------------------------
         Package / Vulnerable / Unaffected
        -------------------------------------------------------------------
      1 media-gfx/xv < 3.10a-r10 >= 3.10a-r10

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

    Tavis Ormandy of the Gentoo Linux Security Audit Team identified a flaw
    in the handling of image filenames by xv.

    Impact
    ======

    Successful exploitation would require a victim to process a specially
    crafted image with a malformed filename, potentially resulting in the
    execution of arbitrary code.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All xv users should upgrade to the latest version:

        # emerge --sync
        # emerge --ask --oneshot --verbose ">=media-gfx/xv-3.10a-r10"

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

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

      http://security.gentoo.org/glsa/glsa-200503-09.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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