Module: Msf::Exploit::Remote::LDAP

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

Instance Method Summary collapse

Instance Method Details

#discover_base_dn(ldap) ⇒ Object


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# File 'lib/msf/core/exploit/ldap.rb', line 57

def discover_base_dn(ldap)
  print_status('Searching root DSE for base DN')

  unless (root_dse = ldap.search_root_dse)
    print_error('Could not retrieve root DSE')
    return
  end

  vprint_line(root_dse.to_ldif)

  # NOTE: Net::LDAP converts attribute names to lowercase
  unless root_dse[:namingcontexts]
    print_error('Could not find namingContexts attribute')
    return
  end

  if root_dse[:namingcontexts].empty?
    print_error('Could not find base DN')
    return
  end

  # NOTE: We assume the first namingContexts value is the base DN
  base_dn = root_dse[:namingcontexts].first

  print_good("Discovered base DN: #{base_dn}")
  base_dn
rescue Net::LDAP::Error => e
  print_error("#{e.class}: #{e.message}")
  nil
end

#initialize(info = {}) ⇒ Object


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# File 'lib/msf/core/exploit/ldap.rb', line 12

def initialize(info = {})
  super

  register_options([
    Opt::RHOST,
    Opt::RPORT(389),
    OptBool.new('SSL', [false, 'Enable SSL on the LDAP connection', false])
  ])

  register_advanced_options([
    OptFloat.new('ConnectTimeout', [true, 'Timeout for LDAP connect', 10.0])
  ])
end

#ldap_connect(opts = {}, &block) ⇒ Object


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# File 'lib/msf/core/exploit/ldap.rb', line 38

def ldap_connect(opts = {}, &block)
  connect_opts = {
    host: rhost,
    port: rport,
    connect_timeout: datastore['ConnectTimeout']
  }

  if datastore['SSL']
    connect_opts[:encryption] = {
      method: :simple_tls,
      tls_options: {
        verify_mode: OpenSSL::SSL::VERIFY_NONE
      }
    }
  end

  Net::LDAP.open(connect_opts.merge(opts), &block)
end

#peerObject


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# File 'lib/msf/core/exploit/ldap.rb', line 34

def peer
  "#{rhost}:#{rport}"
end

#rhostObject


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# File 'lib/msf/core/exploit/ldap.rb', line 26

def rhost
  datastore['RHOST']
end

#rportObject


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# File 'lib/msf/core/exploit/ldap.rb', line 30

def rport
  datastore['RPORT']
end