LDAP Injector

🔐 Can you bypass enterprise authentication using directory manipulation?

Challenge 23 Nov 2025 Pro Exclusive Solution Available

A corporate employee portal relies on LDAP directory services for secure authentication, implementing enterprise-grade access controls. But when user input meets insufficient query sanitization, even the most trusted directory systems can become gateways to unauthorized access. 🎯 Time to test your directory injection skills against real-world authentication mechanisms!

Flags

Points

92%

Success Rate

Start Your Challenge

~1-2 min setup

Dedicated server

Private instance

Industry standard

Open the target and find the flags

Flag

+5 pts

LDAP Injector

Challenge 5 points

Writeup Guidelines

Share your solution approach, methodology, and insights. Your writeup will be reviewed before being published to the community. Earn +5 bonus points when your writeup is approved!

Requirements:

No flag content: Do not reveal actual flag values or passwords in your writeup
Include lab link: Your writeup must contain a direct link to this lab for reference
Educational focus: Explain your methodology, tools used, and learning insights

Writeup URL *

Link to your blog post, GitHub repository, or any platform where you've published your writeup
Remember to include this lab's URL in your writeup: https://hackerdna.com/labs/ldap-injector

Language *

Help others find writeups in their preferred language

Confirmation Required

I confirm that my writeup includes a direct link to this lab

Your writeup must reference this lab's URL: https://hackerdna.com/labs/ldap-injector

I confirm that my writeup does NOT contain flag content or critical information

Do not include actual flags, passwords, or other sensitive information that would spoil the challenge