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TikiWiki: Arbitrary command execution

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200710-21 / tikiwiki
Release Date October 20, 2007
Latest Revision October 20, 2007: 01
Impact high
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
www-apps/tikiwiki < 1.9.8.1 >= 1.9.8.1 All supported architectures

Related bugreports: #195503

Synopsis

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

2.  Impact Information

Background

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

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.

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 --ask --oneshot --verbose ">=www-apps/tikiwiki-1.9.8.1"

4.  References



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Page updated October 20, 2007

Summary: This is a Gentoo Linux Security Advisory

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