CVE-2026-5446 wolfSSL ARIA-GCM密码套件Nonce重用漏洞

# PoC: Check for nonce reuse in ARIA-GCM sessions # This script simulates the observation of static IVs in encrypted packets. import socket import struct def check_aria_nonce_reuse(target_host, target_port): # Connect to the target server supporting ARIA-GCM sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.connect((target_host, target_port)) # Perform TLS Handshake (Simplified for PoC context) # In a real scenario, use a library like tlslite to force ARIA-GCM cipher suite print("[+] Establishing TLS connection with ARIA-GCM...") # Send two application data records data_1 = b"First record" data_2 = b"Second record" # Capture encrypted records (Simulated) # In the vulnerable version, the explicit IV (first 12 bytes of record) will be identical. record_1_encrypted = b"\x00" * 12 + b"...ciphertext1..." # IV is zeros record_2_encrypted = b"\x00" * 12 + b"...ciphertext2..." # IV is still zeros iv_1 = record_1_encrypted[:12] iv_2 = record_2_encrypted[:12] if iv_1 == iv_2: print("[!!!] VULNERABILITY CONFIRMED: Nonce (IV) reuse detected!") print(f"IV 1: {iv_1.hex()}") print(f"IV 2: {iv_2.hex()}") print("An attacker can use these identical nonces to recover authentication tags and decrypt traffic.") else: print("[-] IVs are unique. Target might be patched or not using vulnerable config.") sock.close() # Usage # check_aria_nonce_reuse("example.com", 443)