Directory traversal vulnerability in zml.cgi allows remote attackers to read arbitrary files via a .. (dot dot) in the file parameter.
http://www.jero.cc/zml/zml.html
http://www.iss.net/security_center/static/7751.php
http://seclists.org/bugtraq/2001/Dec/0306.html
http://archives.neohapsis.com/archives/vulnwatch/2001-q4/0086.html