upload_file.pl in DCForum 2000 1.0 allows remote attackers to upload arbitrary files without authentication by setting the az parameter to upload_file.Referenceshttps://exchange.xforce.ibmcloud.com/vulnerabilities/6393http://www.dcscripts.com/FAQ/sec_2001_03_31.htmlhttp://www.securityfocus.com/bid/2611http://archives.neohapsis.com/archives/bugtraq/2001-04/0269.html