Module: Msf::Exploit::Remote::Nuuo

Defined in:
lib/msf/core/exploit/nuuo.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#clientObject

Returns the value of attribute client


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# File 'lib/msf/core/exploit/nuuo.rb', line 151

def client
  @client
end

#server_versionObject

Returns the value of attribute server_version


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# File 'lib/msf/core/exploit/nuuo.rb', line 152

def server_version
  @server_version
end

#user_sessionObject

Returns the value of attribute user_session


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# File 'lib/msf/core/exploit/nuuo.rb', line 153

def user_session
  @user_session
end

Instance Method Details

#connect(global = true) ⇒ Object


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# File 'lib/msf/core/exploit/nuuo.rb', line 40

def connect(global=true)
  c = Rex::Proto::Nuuo::Client.new({
    host: datastore['RHOST'],
    username: datastore['NCSUSER'],
    password: datastore['NCSPASS'],
    user_session: datastore['NCSSESSION'],
    context: { 'Msf' => framework, 'MsfExploit' => self }
  })

  client.close if self.client && global
  self.client = c if global

  c
end

#generate_req(opts = {}) ⇒ Object


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# File 'lib/msf/core/exploit/nuuo.rb', line 55

def generate_req(opts={})
  case opts['method']
    when 'PING' then client.request_ping(opts)
    when 'SENDLICFILE' then client.request_sendlicfile(opts)
    when 'GETCONFIG' then client.request_getconfig(opts)
    when 'COMMITCONFIG' then client.request_commitconfig(opts)
    when 'USERLOGIN' then client.request_userlogin(opts)
    when 'GETOPENALARM' then client.request_getopenalarm(opts)
    else nil
  end
end

#initialize(info = {}) ⇒ Object

Creates an instance of an Nuuo exploit module.


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# File 'lib/msf/core/exploit/nuuo.rb', line 15

def initialize(info = {})
  super(update_info(info,
    'Author'         =>
      [
        'Pedro Ribeiro <[email protected]>'
      ],
  ))

  register_options(
    [
      Opt::RHOST,
      Opt::RPORT(5180),
      OptString.new('NCSSESSION', [false, 'Session number of logged in user']),
      OptString.new('NCSUSER', [false, 'NUUO Central Management System username', 'admin']),
      OptString.new('NCSPASS', [false, 'Password for NCSUSER',])
    ], Msf::Exploit::Remote::Nuuo)

  register_advanced_options(
    [
      OptString.new('NCSVERSION', [false, 'Version header used during login']),
      OptBool.new('NCSBRUTEAPI', [false, 'Bruteforce Version header used during login', false]),
      OptBool.new('NCSTRACE', [false, 'Show NCS requests and responses', false])
    ], Msf::Exploit::Remote::Nuuo)
end

#ncs_loginObject


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# File 'lib/msf/core/exploit/nuuo.rb', line 100

def 
  unless datastore['NCSVERSION'] || server_version
    if datastore['NCSBRUTEAPI']
      vprint_status('Bruteforcing Version string')
      self.server_version = ncs_version_bruteforce
    else
      print_error('Set NCSBRUTEAPI to bruteforce the Version string or NCSVERSION to set a version string')
      return nil
    end
  end

  self.server_version ||= datastore['NCSVERSION']
  unless server_version
    print_error('Failed to determine server version')
    return nil
  end

  res = ncs_send_request({
    'method'  => 'USERLOGIN',
    'server_version'  => server_version
  }, temp: false)

  if res.headers['User-Session-No']
    self.user_session = res.headers['User-Session-No']
  end

  res
end

#ncs_send_request(opts = {}, req = nil, temp: true) ⇒ Object


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# File 'lib/msf/core/exploit/nuuo.rb', line 67

def ncs_send_request(opts={}, req=nil, temp: true)
  req = generate_req(opts) unless req
  return nil unless req

  if datastore['NCSTRACE']
    print_status("Request:\r\n#{req.to_s}")
  end

  begin
    conn = temp ? client.connect(temp: temp) : nil
    res = client.send_recv(req, conn)
    if conn && temp
      conn.shutdown
      conn.close
    end

    if datastore['NCSTRACE'] && res
      print_status("Response:\r\n#{res.to_s}")
    end

    res
  rescue ::Errno::EPIPE, ::Timeout::Error => e
    print_line(e.message) if datastore['NCSTRACE']
    nil
  rescue Rex::ConnectionError => e
    vprint_error(e.to_s)
    nil
  rescue ::Exception => e
    print_line(e.message) if datastore['NCSTRACE']
    raise e
  end
end

#ncs_version_bruteforceObject


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# File 'lib/msf/core/exploit/nuuo.rb', line 129

def ncs_version_bruteforce
  res = ''
  Rex::Proto::Nuuo::Constants::VERSIONS.shuffle.each do |version|
    begin
      res = ncs_send_request({
        'method' => 'USERLOGIN',
        'server_version' => version
      })
    rescue
      print_error('Request failed')
    end

    client.close
    if res && res.headers['User-Session-No']
      vprint_good("Valid version detected: #{version}")
      return version
    end
  end

  return nil
end