Vulnerability/
BIT-openldap-2020-36223

BIT-openldap-2020-36223: Double Free

Q: What level of attacker access is required to trigger the issue?

It is remotely reachable over the network and requires neither authentication privileges nor user interaction.

Q: What is the practical impact on an affected server?

Successful exploitation can crash slapd, causing a denial of service. The provided impact metrics indicate no confidentiality or integrity impact.

Q: Which versions should be remediated?

OpenLDAP versions before 2.4.57 are affected. Upgrade to 2.4.57 or a later version.

Published Jan 26, 2021

Updated

A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read).

Affected Software

1 affected component

openldap OpenLDAP<2.4.57

Event History

Jan 26, 2021

CVE Published

via OSV·06:15 PM

Data Sourced

via OSV·06:15 PM

DescriptionSeverity

Frequently Asked Questions

What level of attacker access is required to trigger the issue?

It is remotely reachable over the network and requires neither authentication privileges nor user interaction.

What is the practical impact on an affected server?

Successful exploitation can crash slapd, causing a denial of service. The provided impact metrics indicate no confidentiality or integrity impact.

Which versions should be remediated?

OpenLDAP versions before 2.4.57 are affected. Upgrade to 2.4.57 or a later version.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.