CVE-2026-6767 NSS库组件信息泄露漏洞

import socket import ssl # Conceptual PoC for CVE-2026-6767 (NSS Library Issue) # This script demonstrates a potential network interaction to trigger an information leak. # Note: As the vulnerability details are marked as "Other issue" in NSS, # specific exploit logic requires deeper analysis of the NSS patch diff. target_host = "example.com" target_port = 443 try: # Establish a TCP connection sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) sock.settimeout(5) sock.connect((target_host, target_port)) # Wrap socket with SSL/TLS context (depending on system NSS version) # context = ssl.create_default_context() # secure_sock = context.wrap_socket(sock, server_hostname=target_host) # Sending a specific malformed packet sequence might trigger the NSS issue # payload = b"\x00\x01..." # Hypothetical payload # secure_sock.send(payload) print("[+] Connection established to target using NSS-based stack.") print("[!] Monitor for crashes or information leakage in memory logs.") sock.close() except Exception as e: print(f"[-] Error during PoC execution: {e}")