[ GLSA 200501-11 ] Dillo: Format string vulnerability

From: Thierry Carrez (koon_at_gentoo.org)
Date: 01/09/05

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To: gentoo-announce@lists.gentoo.org

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    Gentoo Linux Security Advisory GLSA 200501-11
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                                                http://security.gentoo.org/
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      Severity: Normal
         Title: Dillo: Format string vulnerability
          Date: January 09, 2005
          Bugs: #76665
            ID: 200501-11

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    Synopsis
    ========

    Dillo is vulnerable to a format string bug, which may result in the
    execution of arbitrary code.

    Background
    ==========

    Dillo is a small and fast multi-platform web browser based on GTK+.

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

        -------------------------------------------------------------------
         Package / Vulnerable / Unaffected
        -------------------------------------------------------------------
      1 www-client/dillo < 0.8.3-r4 >= 0.8.3-r4

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

    Gentoo Linux developer Tavis Ormandy found a format string bug in
    Dillo's handling of messages in a_Interface_msg().

    Impact
    ======

    An attacker could craft a malicious web page which, when accessed using
    Dillo, would trigger the format string vulnerability and potentially
    execute arbitrary code with the rights of the user running Dillo.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All Dillo users should upgrade to the latest version:

        # emerge --sync
        # emerge --ask --oneshot --verbose ">=www-client/dillo-0.8.3-r4"

    References
    ==========

      [ 1 ] CAN-2005-0012
            http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0012

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

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

      http://security.gentoo.org/glsa/glsa-200501-11.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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