phpGroupWare: Multiple vulnerabilities

Background

phpGroupWare is a multi-user groupware suite written in PHP.

Description

phpGroupWare improperly validates the “mid” parameter retrieved via a forum post. The current version of phpGroupWare also adds several safeguards to prevent XSS issues, and disables the use of a potentially vulnerable XML-RPC library.

Impact

A remote attacker may leverage the XML-RPC vulnerability to execute arbitrary PHP script code. He could also create a specially crafted request that will reveal private posts.

Workaround

There is no known workaround at this time.

Resolution

All phpGroupWare users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=www-apps/phpgroupware-0.9.16.008"