CVE-2002-2094
Joe Testa hellbent 01 allows remote attackers to determine the full path of the web root directory via a GET request with a relative path that includes the root’s parent, which generates a 403 error message if the parent is incorrect, but a normal response if the parent is correct.
Date published : 2005-08-05
http://www.securityfocus.com/bid/3908
http://archives.neohapsis.com/archives/bugtraq/2002-01/0228.html