db4web_c and db4web_c.exe programs in DB4Web 3.4 and 3.6 allow remote attackers to read arbitrary files via an HTTP request whose argument is a filename of the form (1) C: (drive letter), (2) //absolute/path (double-slash), or (3) .. (dot-dot).
http://www.securityfocus.com/bid/5723
http://www.iss.net/security_center/static/10123.php
http://www.db4web.de/download/homepage/hotfix/readme_en.txt
http://archives.neohapsis.com/archives/vulnwatch/2002-q3/0124.html
http://archives.neohapsis.com/archives/bugtraq/2002-09/0197.html