Directory traversal vulnerability in TYPSoft FTP server 0.97.1 and earlier allows a remote authenticated user (possibly anonymous) to list arbitrary directories via a .. in a LIST (ls) command ending in wildcard *.* characters.
http://www.securityfocus.com/bid/2489
http://www.iss.net/security_center/static/6165.php
http://archives.neohapsis.com/archives/bugtraq/2002-04/0090.html