USN-4622-1: OpenLDAP vulnerability

Publication date

9 November 2020

Overview

OpenLDAP could be made to crash or run programs if it received specially crafted network traffic.


Packages

  • openldap - Lightweight Directory Access Protocol

Details

It was discovered that OpenLDAP incorrectly handled certain network
packets. A remote attacker could use this issue to cause OpenLDAP to crash,
resulting in a denial of service, or possibly execute arbitrary code.

It was discovered that OpenLDAP incorrectly handled certain network
packets. A remote attacker could use this issue to cause OpenLDAP to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.10 groovy slapd –  2.4.53+dfsg-1ubuntu1.1
20.04 focal slapd –  2.4.49+dfsg-2ubuntu1.4
18.04 bionic slapd –  2.4.45+dfsg-1ubuntu1.7
16.04 xenial slapd –  2.4.42+dfsg-2ubuntu3.10

Reduce your security exposure

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Have additional questions?

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