CVE-2026-28830: macOS竞态条件漏洞致敏感数据泄露

# PoC Concept for Race Condition (CVE-2026-28830) # This is a simulated demonstration of a Time-of-Check to Time-of-Use (TOCTOU) race condition. import threading import time class RaceConditionExploit: def __init__(self): self.shared_resource = "sensitive_data.txt" self.lock = threading.Lock() def malicious_access(self): # Thread 1: Attempting to access data rapidly while True: try: # Simulate the race window with self.lock: print("[Malicious App] Trying to access protected resource...") # If validation logic is slow, this might succeed if self.check_permission(): data = self.read_data() print(f"[!] Exploit Success! Data: {data}") break except Exception as e: continue def check_permission(self): # Simulate the system's validation step time.sleep(0.001) # Introduce delay to widen the race window return True # Assume validation passes due to race def read_data(self): # Simulate reading the sensitive file return "USER_SENSITIVE_TOKEN_123" if __name__ == "__main__": exploit = RaceConditionExploit() # In a real scenario, this would be triggered by user interaction (UI:R) exploit.malicious_access()