USN-4352-1: OpenLDAP vulnerability
It was discovered that OpenLDAP incorrectly handled certain queries. A remote attacker could possibly use this issue to cause OpenLDAP to consume resources, resulting in a denial of service.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this OpenLDAP vulnerability?
The vulnerability ID for this OpenLDAP vulnerability is USN-4352-1.
What does this OpenLDAP vulnerability allow?
This OpenLDAP vulnerability allows a remote attacker to cause a denial of service by consuming resources.
What versions of Ubuntu are affected by this OpenLDAP vulnerability?
This OpenLDAP vulnerability affects Ubuntu versions 20.04, 19.10, 18.04, and 16.04.
How can I fix this OpenLDAP vulnerability?
To fix this OpenLDAP vulnerability, update the slapd package to version 2.4.49+dfsg-2ubuntu1.2 for Ubuntu 20.04, version 2.4.48+dfsg-1ubuntu1.1 for Ubuntu 19.10, version 2.4.45+dfsg-1ubuntu1.5 for Ubuntu 18.04, and version 2.4.42+dfsg-2ubuntu3.8 for Ubuntu 16.04.
Where can I find more information about this OpenLDAP vulnerability?
You can find more information about this OpenLDAP vulnerability at the following references: CVE-2020-12243, USN-4352-2, and the Ubuntu Security Notices.