GLSA 200710-21 TikiWiki: Arbitrary command execution
Posted on: 10/20/2007 11:55 PM

A new security update has been released for Gentoo Linux - TikiWiki: Arbitrary command execution. Here the announcement:

Gentoo Linux Security Advisory GLSA 200710-21
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http://security.gentoo.org/
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Severity: High
Title: TikiWiki: Arbitrary command execution
Date: October 20, 2007
Bugs: #195503
ID: 200710-21

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Synopsis
========

Tikiwiki contains a command injection vulnerability which may allow
remote execution of arbitrary code.

Background
==========

TikiWiki is an open source content management system written in PHP.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apps/tikiwiki lt; 1.9.8.1 gt;= 1.9.8.1

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

ShAnKaR reported that input passed to the "f" array parameter in
tiki-graph_formula.php is not properly verified before being used to
execute PHP functions.

Impact
======

An attacker could execute arbitrary code with the rights of the user
running the web server by passing a specially crafted parameter string
to the tiki-graph_formula.php file.

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 "gt;=www-apps/tikiwiki-1.9.8.1"

References
==========

[ 1 ] CVE-2007-5423
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5423

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

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

http://security.gentoo.org/glsa/glsa-200710-21.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 2007 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/2.5



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