USN-4078-1: OpenLDAP vulnerabilities

USN-4078-1: OpenLDAP vulnerabilities

openldap vulnerabilities

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

• Ubuntu 19.04
• Ubuntu 18.04 LTS
• Ubuntu 16.04 LTS

Summary

Several security issues were fixed in OpenLDAP.

Software Description

• openldap – OpenLDAP utilities

Details

It was discovered that OpenLDAP incorrectly handled rootDN delegation. A
database administrator could use this issue to request authorization as an
identity from another database, contrary to expectations. (CVE-2019-13057)

It was discovered that OpenLDAP incorrectly handled SASL authentication and
session encryption. After a first SASL bind was completed, it was possible
to obtain access by performing simple binds, contrary to expectations.
(CVE-2019-13565)

Update instructions

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

Ubuntu 19.04

slapd – 2.4.47+dfsg-3ubuntu2.1

Ubuntu 18.04 LTS

slapd – 2.4.45+dfsg-1ubuntu1.3

Ubuntu 16.04 LTS

slapd – 2.4.42+dfsg-2ubuntu3.6

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.

References

• CVE-2019-13057
• CVE-2019-13565

Source: USN-4078-1: OpenLDAP vulnerabilities