Audit Linux privileges now to limit compromise, escalation, and system-wide damage. Review Linux Privileges×

Alerts This Week
Warning Icon 1 515
Alerts This Week
Warning Icon 1 515

Ubuntu 14.04 ESM: USN-4352-2 High: OpenLDAP Denial of Service

ubuntu
Calendar Grey May 6, 2020
Scroller Ubuntu
A security flaw in OpenLDAP on Ubuntu could lead to system instability due to maliciously designed network packets. Ensure your systems are updated immediately.
OpenLDAP could be made to crash if it received specially crafted network traffic.

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.

Topics%20covered

Topics Covered

security advisory denial of service openldap ubuntu network attack resource consumption

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

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

References

https://ubuntu.com/security/notices/USN-4352-2

https://ubuntu.com/security/notices/USN-4352-1

CVE-2020-12243

May 06, 2020

Topics%20covered

Topics Covered

security advisory denial of service openldap ubuntu network attack resource consumption

Package Information

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.