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Ubuntu 14.04/12.04 ESM USN-4634-2 OpenLDAP Denial of Service Risk

ubuntu
Calendar Grey November 23, 2020
Dist Ubuntu Esm H88
Ubuntu Security Advisory USN-4634-3 addresses critical OpenLDAP flaws that may result in service disruptions via external communication.
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-4634-1 fixed several vulnerabilities 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 malformed

inputs. A remote attacker could possibly use this issue to cause OpenLDAP

to crash, resulting in a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu system update OpenLDAP

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+esm4

Ubuntu 12.04 ESM:
  slapd                           2.4.28-1.1ubuntu4.12

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

References

https://ubuntu.com/security/notices/USN-4634-2

https://ubuntu.com/security/notices/USN-4634-1

CVE-2020-25709, CVE-2020-25710

Severity
important
Lowest
Low
Medium
High
Critical

November 23, 2020

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu system update OpenLDAP

Package Information

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