Serv-U FTP Server < 18.104.22.168 'STOU' Command Remote DoS
Medium Nessus Network Monitor Plugin ID 2275
SynopsisThe remote host is vulnerable to a Denial of Service (DoS) attack.
DescriptionThe remote host is running Serv-U FTP server. There is a bug in the way this version handles the 'STOU' command, which is used to send files to a remote server. It is reported that Serv-U FTP server will crash if it receives certain 'STOU' requests. An attacker may connect to the remote server and issue a 'STOU' request to deny service to legitimate users.
SolutionUpgrade to version 22.214.171.124 or higher.