1. Ubuntu Security Notices
  2. USN-4078-1

USN-4078-1: OpenLDAP vulnerabilities

Publication date

30 July 2019

Overview

Several security issues were fixed in OpenLDAP.

Releases

Packages

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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
19.04 disco slapd –  2.4.47+dfsg-3ubuntu2.1
18.04 bionic slapd –  2.4.45+dfsg-1ubuntu1.3
16.04 xenial slapd –  2.4.42+dfsg-2ubuntu3.6

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References

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