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Gentoo Linux Security Advisory                           GLSA 200501-41
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                                            http://security.gentoo.org/
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  Severity: High
     Title: TikiWiki: Arbitrary command execution
      Date: January 30, 2005
      Bugs: #78944
        ID: 200501-41

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Synopsis
========

A bug in TikiWiki allows certain users to upload and execute malicious
PHP scripts.

Background
==========

TikiWiki is a web-based groupware and content management system (CMS),
using PHP, ADOdb and Smarty.

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

    -------------------------------------------------------------------
     Package            /  Vulnerable  /                    Unaffected
    -------------------------------------------------------------------
  1  www-apps/tikiwiki       < 1.8.5                          >= 1.8.5

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

TikiWiki does not validate files uploaded to the "temp" directory.

Impact
======

A malicious user could run arbitrary commands on the server by
uploading and calling a PHP script.

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"

References
==========

  [ 1 ] TikiWiki Advisory
        http://tikiwiki.org/art102

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

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

  http://security.gentoo.org/glsa/glsa-200501-41.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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