LDAP Injection Scanner
Tests for LDAP injection in authentication and directory queries.
What is LDAP Injection?
LDAP Injection occurs when untrusted user input is incorporated into LDAP queries without proper sanitization. Attackers can manipulate LDAP filters to bypass authentication, enumerate directory information, modify access controls, or extract sensitive data from the directory service.
Why is This Important?
LDAP is widely used for authentication in enterprise environments, connecting to Active Directory and other identity providers. LDAP injection can bypass authentication entirely, allowing attackers to log in as any user or enumerate all accounts in the directory—a critical stepping stone for further attacks.
How It Works
1. Input Discovery
Maps all user input points including forms, headers, cookies, and API parameters for injection testing.
2. Injection Testing
Executes sophisticated injection payloads designed to bypass filters and WAFs while detecting vulnerabilities.
3. Exploitation Validation
Confirms vulnerabilities through safe exploitation, providing proof-of-concept and impact assessment.
Key Capabilities
Advanced injection detection engine combining signature-based and AI-powered analysis for comprehensive coverage.
- Multi-vector injection testing across all input types
- WAF and filter bypass techniques built-in
- Database-specific payload optimization
- Out-of-band detection for blind vulnerabilities
- Automated proof-of-concept generation
Frequently Asked Questions
How does LDAP injection work?
LDAP filters use special syntax like (uid=user). Attackers inject characters like *, ), (, and | to manipulate the filter logic. For example, injecting *)(&(uid=* into a password field can create an always-true condition, bypassing authentication.
What can attackers achieve with LDAP injection?
Common attack goals include authentication bypass, user enumeration, extracting user attributes (emails, phone numbers, group memberships), modifying directory entries if write access exists, and discovering the directory structure and organizational information.
Is LDAP injection common in modern applications?
LDAP injection remains relevant because many applications integrate with Active Directory for SSO. Legacy applications and custom authentication systems are particularly vulnerable. Modern frameworks often abstract LDAP, reducing but not eliminating risk.
How do I prevent LDAP injection?
Use parameterized LDAP queries or prepared statements, escape special LDAP characters (* ) NUL), validate input against a strict allowlist, implement proper error handling that doesn't reveal query structure, and use modern identity protocols like SAML or OIDC when possible.
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