Apache Tomcat 4.0.3 for Windows allows remote attackers to obtain the web root path via an HTTP request for a resource that does not exist, such as lpt9, which leaks the information in an error message.
archives.neohapsis.com/archives/bugtraq/2002-06/0225.html
tomcat.apache.org/security-4.html
www.iss.net/security_center/static/9394.php
www.securityfocus.com/bid/5054
lists.apache.org/thread.html/29dc6c2b625789e70a9c4756b5a327e6547273ff8bde7e0327af48c5%40%3Cdev.tomcat.apache.org%3E
lists.apache.org/thread.html/c62b0e3a7bf23342352a5810c640a94b6db69957c5c19db507004d74%40%3Cdev.tomcat.apache.org%3E
lists.apache.org/thread.html/rb71997f506c6cc8b530dd845c084995a9878098846c7b4eacfae8db3%40%3Cdev.tomcat.apache.org%3E