Upgrade to version 3.2 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.
Vendor Specific News/Changelog Entry: http://www.ka.sara.nl/home/walter//bbs100/ChangeLog.txt
Secunia Advisory ID:25924
Related OSVDB ID: 37806
ISS X-Force ID: 35244
Bugtraq ID: 24747