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Tikiwiki: Arbitrary command execution

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200609-16 / tikiwiki
Release Date September 26, 2006
Latest Revision September 26, 2006: 01
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
www-apps/tikiwiki < 1.9.5 >= 1.9.5 All supported architectures

Related bugreports: #145714

Synopsis

Tikiwiki contains a cross-site scripting (XSS) vulnerability as well as a second vulnerability which may allow remote execution of arbitrary code.

2.  Impact Information

Background

Tikiwiki is a web-based groupware and content management system, developed with PHP, ADOdb and Smarty.

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.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Tikiwiki users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --oneshot --verbose --ask ">=www-apps/tikiwiki-1.9.5"

4.  References



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Page updated September 26, 2006

Summary: This is a Gentoo Linux Security Advisory

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