CVE-2026-24188 NVIDIA TensorRT 越界写入漏洞

import sys # Conceptual Proof of Concept for CVE-2026-24188 # This script simulates the logic leading to an Out-of-Bounds Write # In a real scenario, this would be triggered by a specific input to TensorRT. def simulate_tensorrt_parsing(data_stream): # Simulated internal buffer in TensorRT internal_buffer = [0] * 256 try: # Parsing input index from attacker controlled stream offset = int(data_stream.get('offset', 0)) payload = data_stream.get('data', 0x00) # VULNERABILITY: Lack of bounds checking on 'offset' # If offset is larger than 255, this writes out of bounds. print(f"[*] Writing payload {hex(payload)} to buffer offset {offset}") internal_buffer[offset] = payload print("[+] Write successful. Memory integrity potentially compromised.") except IndexError: # Python handles this, but C++ (TensorRT's language) would corrupt memory print("[-] Runtime Error: Index out of bounds (Handled by Python interpreter)") print("[!] In a vulnerable C++ environment, this would result in OOB Write.") # Attacker controlled payload malicious_input = { 'offset': 300, # Exceeds buffer size of 256 'data': 0xDEADBEEF } print("--- CVE-2026-24188 PoC Simulation ---") simulate_tensorrt_parsing(malicious_input)