[USN-3307-2] OpenLDAP vulnerability

Leonidas S. Barbosa leo.barbosa at canonical.com
Wed Jul 19 16:28:26 UTC 2017

Ubuntu Security Notice USN-3307-2
July 19, 2017

openldap vulnerability

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

- Ubuntu 12.04 ESM


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

Software Description:
- openldap: OpenLDAP utilities


USN-3307-1 fixed a vulnerability in OpenLDAP. This update provides the
corresponding update for ubuntu 12.04 ESM.

Original advisory details:

 Karsten Heymann discovered that OpenLDAP incorrectly handled certain
 search requests. A remote attacker could use this issue to cause slapd
 to crash, resulting in a denial of service.

Update instructions:

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

Ubuntu 12.04 ESM:
  slapd                           2.4.28-1.1ubuntu4.8

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

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