ServerAdmin/TestDRConnection.jsp in DS3 Authentication Server allows remote attackers to obtain sensitive information via a direct request, which reveals the installation path in a -REG-E-OPEN error message.
http://www.digitalsec.net/stuff/explt+advs/DS3.AuthServer.txt
http://packetstormsecurity.com/files/121862/DS3-Authentication-Server-Command-Execution.html