1. Ubuntu Security Notices
  2. USN-4622-2

USN-4622-2: OpenLDAP vulnerability

Publication date

11 November 2020

Overview

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

Releases

Packages

  • openldap - Lightweight Directory Access Protocol

Details

USN-4622-1 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 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.

USN-4622-1 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 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
14.04 trusty slapd –  2.4.31-1+nmu2ubuntu8.5+esm3
12.04 precise slapd –  2.4.28-1.1ubuntu4.11

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References

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