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

Includes:
SocketServer
Included in:
JndiInjection
Defined in:
lib/msf/core/exploit/remote/ldap/server.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from SocketServer

#_determine_server_comm, #bindhost, #bindport, #cleanup, #cleanup_service, #exploit, #on_client_data, #primer, #regenerate_payload, #srvhost, #srvport, #via_string

Instance Attribute Details

#service ⇒ Object

:nodoc:



34
35
36
 
# File 'lib/msf/core/exploit/remote/ldap/server.rb', line 34

def service
  @service
end

Instance Method Details

#initialize(info = {}) ⇒ Object

Initializes an exploit module that serves LDAP requests



16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/msf/core/exploit/remote/ldap/server.rb', line 16

def initialize(info = {})
  super

  register_options(
    [
      OptPort.new('SRVPORT', [true, 'The local port to listen on.', 389]),
      OptPath.new('LDIF_FILE', [ false, 'Directory LDIF file path']),
    ], Exploit::Remote::LDAP::Server
  )

  register_advanced_options(
    [
      OptBool.new('LdapServerUdp', [true, 'Serve UDP LDAP requests', true]),
      OptBool.new('LdapServerTcp', [true, 'Serve TCP LDAP requests', true])
    ], Exploit::Remote::LDAP::Server
  )
end

#on_dispatch_request(cli, data) ⇒ Object

Handle incoming requests Override this method in modules to take flow control



62
63
64
 
# File 'lib/msf/core/exploit/remote/ldap/server.rb', line 62

def on_dispatch_request(cli, data)
  service.default_dispatch_request(cli, data)
end

#on_send_response(cli, data) ⇒ Object

Handle incoming requests Override this method in modules to take flow control



70
71
72
 
# File 'lib/msf/core/exploit/remote/ldap/server.rb', line 70

def on_send_response(cli, data)
  cli.write(data)
end

#read_ldif ⇒ Object

Read LDIF file - from github.com/ruby-ldap/ruby-net-ldap/blob/master/testserver/ldapserver.rb#L162

@ return [Hash] parsed ldif file



40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
 
# File 'lib/msf/core/exploit/remote/ldap/server.rb', line 40

def read_ldif
  return if datastore['LDIF_FILE'].blank? || !File.exist?(datastore['LDIF_FILE'])

  ary = File.readlines(datastore['LDIF_FILE'])
  ldif = {}
  while (line = ary.shift) && line.chomp!
    next unless line =~ /^dn:\s*/i

    dn = Regexp.last_match.post_match
    ldif[dn] = {}
    while (attrib = ary.shift) && attrib.chomp! && attrib =~ /^(\w+)\s*:\s*/
      ldif[dn][Regexp.last_match(1)] ||= []
      ldif[dn][Regexp.last_match(1)] << Regexp.last_match.post_match
    end
  end
  ldif
end

#start_service ⇒ Object

Starts the server



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
 
# File 'lib/msf/core/exploit/remote/ldap/server.rb', line 77

def start_service
  comm = _determine_server_comm(bindhost)
  auth_handler = Rex::Proto::LDAP::Auth.new(
    datastore['CHALLENGE'],
    datastore['Domain'],
    datastore['Server'],
    datastore['DnsName'],
    datastore['DnsDomain']
  )
  self.service = Rex::ServiceManager.start(
    Rex::Proto::LDAP::Server,
    bindhost,
    bindport,
    datastore['LdapServerUdp'],
    datastore['LdapServerTcp'],
    read_ldif,
    comm,
    auth_handler,
    { 'Msf' => framework, 'MsfExploit' => self }
  )

  service.dispatch_request_proc = proc do |cli, data|
    on_dispatch_request(cli, data)
  end
  service.send_response_proc = proc do |cli, data|
    on_send_response(cli, data)
  end
rescue ::Errno::EACCES => e
  raise Rex::BindFailed, e.message
end