[ GLSA 200508-14 ] TikiWiki, eGroupWare: Arbitrary command execution through XML-RPC

From: Thierry Carrez (koon_at_gentoo.org)
Date: 08/24/05

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To: gentoo-announce@lists.gentoo.org

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    Gentoo Linux Security Advisory GLSA 200508-14
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                                                http://security.gentoo.org/
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      Severity: High
         Title: TikiWiki, eGroupWare: Arbitrary command execution through
                XML-RPC
          Date: August 24, 2005
          Bugs: #102374, #102377
            ID: 200508-14

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    Synopsis
    ========

    TikiWiki and eGroupWare both include PHP XML-RPC code vulnerable to
    arbitrary command execution.

    Background
    ==========

    TikiWiki is a full featured Free Software Wiki, CMS and Groupware
    written in PHP. eGroupWare is a web-based collaboration software suite.
    Both TikiWiki and eGroupWare include a PHP library to handle XML-RPC
    requests.

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

        -------------------------------------------------------------------
         Package / Vulnerable / Unaffected
        -------------------------------------------------------------------
      1 www-apps/tikiwiki < 1.8.5-r2 >= 1.8.5-r2
      2 www-apps/egroupware < 1.0.0.009 >= 1.0.0.009
        -------------------------------------------------------------------
         2 affected packages on all of their supported architectures.
        -------------------------------------------------------------------

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

    The XML-RPC library shipped in TikiWiki and eGroupWare improperly
    handles XML-RPC requests and responses with malformed nested tags.

    Impact
    ======

    A remote attacker could exploit this vulnerability to inject arbitrary
    PHP script code into eval() statements by sending a specially crafted
    XML document to TikiWiki or eGroupWare.

    Workaround
    ==========

    There is no known workaround at this time.

    Resolution
    ==========

    All TikiWiki users should upgrade to the latest version:

        # emerge --sync
        # emerge --ask --oneshot --verbose ">=www-apps/tikiwiki-1.8.5-r2"

    All eGroupWare users should upgrade to the latest version:

        # emerge --sync
        # emerge --ask --oneshot --verbose ">=www-apps/egroupware-1.0.0.009"

    References
    ==========

      [ 1 ] CAN-2005-2498
            http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2498

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

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

      http://security.gentoo.org/glsa/glsa-200508-14.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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