122 Ipswitch WS_FTP Server prior 3.0.1 FTP bounce detection FTP 2004/09/02 Marc Ruef marc dot ruef at computec dot ch http://www.computec.ch computec.ch Marc Ruef marc dot ruef at computec dot ch http://www.computec.ch computec.ch 2004/11/13 1.1 Corrected the plugin structure and added the accuracy values in 1.1 tcp 21 open|sleep|close|pattern_exists *WS_FTP Server [0-2].* OR *WS_FTP Server 3.0.[0-1]* 80 This plugin was inspired by the Nessus plugin. Ipswitch WS_FTP Server prior 3.0.1 Ipswitch WS_FTP Server newer than 3.0.1 or other ftp servers Configuration The Ipswitch WS_FTP Server is a well-known ftp server for Windows operating systems. There was a FTP bounce vulnerability, exploitable by a specially crafted FTP command, found. If the ftp server is not used it should be de-installed or de-activated. Install the newest patch or bugfix to solve the problem or upgrade to the latest software version which is not vulnerable anymore (http://www.ipswitch.com/Products/WS_FTP-Server/). Additionally limit unwanted connections and communications with firewalling. Approx. 20 minutes No http://www.securityfocus.com/bid/6050/exploit/ Yes Yes Medium 7 8 5 6 High Nessus is able to do a similar check 6050 14599 Hacking Exposed: Network Security Secrets & Solutions, Stuart McClure, Joel Scambray and George Kurtz, February 25, 2003, 4th Edition, McGraw-Hill Osborne Media, ISBN 0072227427 http://www.computec.ch