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Gentoo Linux Security Advisory                           GLSA 200508-14
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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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