OpenLDAP could be made to crash if it received specially crafted network traffic.
It was discovered that OpenLDAP incorrectly handled certain search queries that returned empty attributes. A remote attacker could use this issue to cause OpenLDAP to assert, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. (CVE-2012-1164)
26 May 2015
A security issue affects these releases of Ubuntu and its derivatives:
OpenLDAP could be made to crash if it received specially crafted network traffic.
It was discovered that OpenLDAP incorrectly handled certain search queries that returned empty attributes. A remote attacker could use this issue to cause OpenLDAP to assert, resulting in a denial of service. This issue only affected Ubuntu 12.04 LTS. (CVE-2012-1164)
Michael Vishchers discovered that OpenLDAP improperly counted references when the rwm overlay was used. A remote attacker could use this issue to cause OpenLDAP to crash, resulting in a denial of service. (CVE-2013-4449)
It was discovered that OpenLDAP incorrectly handled certain empty attribute lists in search requests. A remote attacker could use this issue to cause OpenLDAP to crash, resulting in a denial of service. (CVE-2015-1545)
The problem can be corrected by updating your system to the following package versions:
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.
Vulmon