Class: Metasploit::Framework::LoginScanner::GitLab

Inherits:
HTTP
  • Object
show all
Defined in:
lib/metasploit/framework/login_scanner/gitlab.rb

Overview

GitLab login scanner

Constant Summary collapse

CAN_GET_SESSION =

Inherit LIKELY_PORTS,LIKELY_SERVICE_NAMES, and REALM_KEY from HTTP

false
DEFAULT_PORT = 
80
PRIVATE_TYPES = 
[ :password ]

Constants inherited from HTTP

HTTP::AUTHORIZATION_HEADER, HTTP::DEFAULT_HTTP_NOT_AUTHED_CODES, HTTP::DEFAULT_HTTP_SUCCESS_CODES, HTTP::DEFAULT_REALM, HTTP::DEFAULT_SSL_PORT, HTTP::LIKELY_PORTS, HTTP::LIKELY_SERVICE_NAMES, HTTP::REALM_KEY

Instance Attribute Summary

Attributes inherited from HTTP

#digest_auth_iis, #evade_header_folding, #evade_method_random_case, #evade_method_random_invalid, #evade_method_random_valid, #evade_pad_fake_headers, #evade_pad_fake_headers_count, #evade_pad_get_params, #evade_pad_get_params_count, #evade_pad_method_uri_count, #evade_pad_method_uri_type, #evade_pad_post_params, #evade_pad_post_params_count, #evade_pad_uri_version_count, #evade_pad_uri_version_type, #evade_shuffle_get_params, #evade_shuffle_post_params, #evade_uri_dir_fake_relative, #evade_uri_dir_self_reference, #evade_uri_encode_mode, #evade_uri_fake_end, #evade_uri_fake_params_start, #evade_uri_full_url, #evade_uri_use_backslashes, #evade_version_random_invalid, #evade_version_random_valid, #http_password, #http_success_codes, #http_username, #keep_connection_alive, #kerberos_authenticator_factory, #method, #ntlm_domain, #ntlm_send_lm, #ntlm_send_ntlm, #ntlm_send_spn, #ntlm_use_lm_key, #ntlm_use_ntlmv2, #ntlm_use_ntlmv2_session, #uri, #user_agent, #vhost

Instance Method Summary collapse

Methods inherited from HTTP

#authentication_required?, #check_setup, #send_request

Instance Method Details

#attempt_login(credential) ⇒ Object 



21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
 
# File 'lib/metasploit/framework/login_scanner/gitlab.rb', line 21

def (credential)
  result_opts = {
    credential: credential,
    host: host,
    port: port,
    protocol: 'tcp',
    service_name: ssl ? 'https' : 'http'
  }
  begin 
    # Get a valid session cookie and authenticity_token for the next step
    res = send_request(
      'method' => 'GET',
      'cookie' => 'request_method=GET',
      'uri'    => uri
    )

    if res.body.include? 'user[email]'
      user_field = 'user[email]'
    elsif res.body.include? 'user[login]'
      user_field = 'user[login]'
    else
      fail RuntimeError, 'Not a valid GitLab login page'
    end

    local_session_cookie = res.get_cookies.scan(/(_gitlab_session=[A-Za-z0-9%-]+)/).flatten[0]
    auth_token = res.body.scan(/<input name="authenticity_token" type="hidden" value="(.*?)"/).flatten[0]

    # New versions of GitLab use an alternative scheme
    # Try it, if the old one was not successful
    auth_token = res.body.scan(/<input type="hidden" name="authenticity_token" value="(.*?)"/).flatten[0] unless auth_token

    fail RuntimeError, 'Unable to get Session Cookie' unless local_session_cookie
    fail RuntimeError, 'Unable to get Authentication Token' unless auth_token

    # Perform the actual login
    res = send_request(
                            'method' => 'POST',
                            'cookie' => local_session_cookie,
                            'uri'    => uri,
                            'vars_post' =>
                              {
                                'utf8' => "\xE2\x9C\x93",
                                'authenticity_token' => auth_token,
                                "#{user_field}" => credential.public,
                                'user[password]' => credential.private,
                                'user[remember_me]' => 0
                              }
    )

    if res && res.code == 302
      result_opts.merge!(status: Metasploit::Model::Login::Status::SUCCESSFUL, proof: res.headers)
    else
      result_opts.merge!(status: Metasploit::Model::Login::Status::INCORRECT, proof: res)
    end
  rescue ::EOFError, Errno::ETIMEDOUT ,Errno::ECONNRESET, Rex::ConnectionError, OpenSSL::SSL::SSLError, ::Timeout::Error => e
    result_opts.merge!(status: Metasploit::Model::Login::Status::UNABLE_TO_CONNECT, proof: e)
  end
  Result.new(result_opts)
end

#set_sane_defaults ⇒ Object 



14
15
16
17
18
19
 
# File 'lib/metasploit/framework/login_scanner/gitlab.rb', line 14

def set_sane_defaults
  self.uri = '/users/sign_in' if uri.nil?
  self.method = 'POST' if method.nil?

  super
end