USN-4352-2: OpenLDAP vulnerability

USN-4352-2: OpenLDAP vulnerability

openldap vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 14.04 ESM
• Ubuntu 12.04 ESM

Summary

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

Software Description

• openldap – Lightweight Directory Access Protocol

Details

USN-4352-1 fixed a vulnerability in OpenLDAP. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

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.

Update instructions

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

Ubuntu 14.04 ESM

slapd – 2.4.31-1+nmu2ubuntu8.5+esm2

Ubuntu 12.04 ESM

slapd – 2.4.28-1.1ubuntu4.10

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

• USN-4352-1
• CVE-2020-12243

Source: USN-4352-2: OpenLDAP vulnerability