NOCC Webmail 1.0 allows remote attackers to obtain sensitive information via a direct request to (1) the profiles directory, which leaks e-mail addresses contained in filenames of profiles, and (2) the tmp directory, which lists names of uploaded attachments.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2006-0897
http://www.securityfocus.com/bid/16793
http://securitytracker.com/id?1015671
http://secunia.com/advisories/16921
http://retrogod.altervista.org/noccw_10_incl_xpl.html
http://archives.neohapsis.com/archives/bugtraq/2006-02/0418.html