CVE-2019-13565 : What You Need to Know
Learn about CVE-2019-13565, a vulnerability in OpenLDAP version 2.x prior to 2.4.48 allowing unauthorized access through SASL authentication and session encryption. Find mitigation steps and preventive measures.
A vulnerability was found in OpenLDAP version 2.x prior to 2.4.48, allowing unauthorized access through SASL authentication and session encryption.
Understanding CVE-2019-13565
This CVE relates to a security issue in OpenLDAP that could lead to unauthorized access under specific conditions.
What is CVE-2019-13565?
OpenLDAP 2.x before version 2.4.48 is susceptible to a vulnerability where SASL authentication and session encryption can be exploited to gain unauthorized access.
The Impact of CVE-2019-13565
The vulnerability allows unauthorized access that would typically be denied, affecting various operations based on the ACL configuration.
Technical Details of CVE-2019-13565
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The issue in OpenLDAP allows unauthorized access through SASL authentication and session encryption, impacting access controls and subsequent non-SASL connections.
Affected Systems and Versions
- Product: OpenLDAP
- Vendor: N/A
- Versions: 2.x prior to 2.4.48
Exploitation Mechanism
- Unauthorized access via SASL authentication and session encryption
- Retention of sasl_ssf value for subsequent non-SASL connections
Mitigation and Prevention
Protect your systems from the CVE-2019-13565 vulnerability.
Immediate Steps to Take
- Update OpenLDAP to version 2.4.48 or newer
- Review and adjust ACL configurations
Long-Term Security Practices
- Regularly monitor and update ACL configurations
- Implement strong authentication mechanisms
Patching and Updates
- Apply security patches promptly
- Stay informed about OpenLDAP security advisories