CVE-2019-14909 : Exploit Details and Defense Strategies

Keycloak 7.x is affected by a critical vulnerability related to the user federation LDAP bind type. When set to 'none' (LDAP anonymous bind), the system can accept any password, valid or invalid.

Understanding CVE-2019-14909

This CVE identifies a critical security flaw in Keycloak 7.x that impacts the user federation LDAP bind type.

What is CVE-2019-14909?

The vulnerability allows the system to accept any password, regardless of its validity, when the user federation LDAP bind type is set to 'none' (LDAP anonymous bind).

The Impact of CVE-2019-14909

CVSS Score: 9.3 (Critical)
Confidentiality Impact: High
Integrity Impact: Low
Attack Vector: Network
Scope: Changed
Attack Complexity: Low
This vulnerability poses a significant risk to the confidentiality of data.

Technical Details of CVE-2019-14909

Key technical aspects of the CVE-2019-14909 vulnerability.

Vulnerability Description

The issue affects Keycloak 7.x and its user federation LDAP bind type, allowing acceptance of any password under 'none' setting.

Affected Systems and Versions

Affected Product: Keycloak
Affected Version: 7.x

Exploitation Mechanism

The vulnerability can be exploited by providing any password, valid or invalid, when the LDAP bind type is configured as 'none'.

Mitigation and Prevention

Protecting systems from CVE-2019-14909.

Immediate Steps to Take

Update Keycloak to a patched version.
Avoid using LDAP anonymous bind in production environments.

Long-Term Security Practices

Regularly monitor and update security configurations.
Implement multi-factor authentication to enhance security.

Patching and Updates

Apply the latest patches and security updates provided by Keycloak to address this vulnerability.