A new security update has been released for Gentoo Linux - Tikiwiki: Arbitrary command execution. Here the announcement:
Gentoo Linux Security Advisory GLSA 200609-16
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http://security.gentoo.org/
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Severity: High
Title: Tikiwiki: Arbitrary command execution
Date: September 26, 2006
Bugs: #145714
ID: 200609-16
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Synopsis
========
Tikiwiki contains a cross-site scripting (XSS) vulnerability as well as
a second vulnerability which may allow remote execution of arbitrary
code.
Background
==========
Tikiwiki is a web-based groupware and content management system,
developed with PHP, ADOdb and Smarty.
Affected packages
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 www-apps/tikiwiki < 1.9.5 >= 1.9.5
Description
===========
A vulnerability in jhot.php allows for an unrestricted file upload to
the img/wiki/ directory. Additionally, an XSS exists in the highlight
parameter of tiki-searchindex.php.
Impact
======
An attacker could execute arbitrary code with the rights of the user
running the web server by uploading a file and executing it via a
filepath parameter. The XSS could be exploited to inject and execute
malicious script code or to steal cookie-based authentication
credentials, potentially compromising the victim's browser.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Tikiwiki users should upgrade to the latest version:
# emerge --sync
# emerge --oneshot --verbose --ask ">=www-apps/tikiwiki-1.9.5"
References
==========
[ 1 ] CVE-2006-4299
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4299
[ 2 ] CVE-2006-4602
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4602
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
http://security.gentoo.org/glsa/glsa-200609-16.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 2006 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
