CVE-2025-66442 Mbed TLS时序侧信道漏洞

import time import statistics # Conceptual PoC for Timing Side Channel Analysis # This script demonstrates how to measure potential timing variations. # Requires a local environment with the vulnerable library. def vulnerable_decrypt(ciphertext): # Placeholder for the actual vulnerable decryption function # In a real scenario, this calls the Mbed TLS API pass def measure_timing(func, data, iterations=1000): timings = [] for _ in range(iterations): start = time.perf_counter_ns() func(data) end = time.perf_counter_ns() timings.append(end - start) return timings # Attack Simulation # attacker_controlled_ciphertext = "..." # results = measure_timing(vulnerable_decrypt, attacker_controlled_ciphertext) # print(f"Average time: {statistics.mean(results)} ns") # analyze_variance(results)