TikiWiki: Arbitrary command execution — GLSA 200710-21

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

Affected Packages

www-apps/tikiwiki on all architectures
Affected versions < 1.9.8.1
Unaffected versions >= 1.9.8.1

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.

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-1.9.8.1"

References

Release Date
October 20, 2007

Latest Revision
October 20, 2007: 01

Severity
high

Exploitable
remote

Bugzilla entries