CVE-2025-66334 华为Office服务拒绝服务漏洞

# CVE-2025-66334 PoC - Huawei Office Service DoS # Description: Denial of service vulnerability in Huawei Office Service # CVSS: 3.3 (AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L) import os import time import subprocess import sys def check_vulnerability(): """ Check if Huawei Office Service is installed and vulnerable """ print("[+] Checking for Huawei Office Service installation...") # Common installation paths for Huawei Office Service paths = [ r"C:\Program Files\Huawei\Office\OfficeService.exe", r"C:\Program Files (x86)\Huawei\Office\OfficeService.exe", "/opt/huawei/office/OfficeService", "/usr/local/huawei/office/OfficeService" ] for path in paths: if os.path.exists(path): print(f"[+] Found Huawei Office Service at: {path}") return True print("[-] Huawei Office Service not found") return False def trigger_dos(): """ Trigger DoS condition in Huawei Office Service Note: This is a conceptual PoC. Actual exploitation requires specific crafted input based on the vulnerability details. """ print("[+] Attempting to trigger DoS condition...") print("[!] This requires local access and user interaction") print("[!] Attack vector: Local (AV:L)") print("[!] User interaction required: Yes (UI:R)") # The actual DoS trigger would involve: # 1. Creating a specially crafted document or request # 2. Having the user open/access it through Office Service # 3. Service enters error state or crashes # Example trigger method (conceptual): # - Craft malicious document that triggers parsing error # - Force service to process the document # - Service becomes unresponsive or terminates print("[-] Detailed PoC not available - requires further analysis") print("[-] Refer to official Huawei security advisory for details") if __name__ == "__main__": print("=" * 60) print("CVE-2025-66334 PoC - Huawei Office Service DoS") print("=" * 60) if not check_vulnerability(): print("[-] Target not vulnerable or service not installed") sys.exit(0) print("\n[+] Target appears to be installed") trigger_dos()