HTTPMail service in MailEnable Professional 1.18 does not properly handle arguments to the Authorization header, which allows remote attackers to cause a denial of service (null dereference and application crash). NOTE: This is a different vulnerability than CVE-2005-1348.
http://www.oliverkarow.de/research/MailWebHTTPAuthCrash.txt
http://secunia.com/advisories/11588
http://archives.neohapsis.com/archives/bugtraq/2004-05/0159.html