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Ubuntu 14.04 ESM: USN-4078-2 Critical OpenLDAP Access Issues

ubuntu
Calendar Grey August 19, 2019
Dist Ubuntu Esm H88
Several vulnerabilities addressed in OpenLDAP for Ubuntu 12.04 and 14.04 ESM, improving overall system protection.
Several security issues were fixed in OpenLDAP.

Summary

Several security issues were fixed in OpenLDAP.

Software Description:

- openldap: OpenLDAP utilities

Details:

USN-4078-1 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 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)

Topics%20covered

Topics Covered

security advisory access control Ubuntu authentication issue update instructions 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+esm1

Ubuntu 12.04 ESM:
  slapd                           2.4.28-1.1ubuntu4.9

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

References

https://ubuntu.com/security/notices/USN-4078-2

https://ubuntu.com/security/notices/USN-4078-1

CVE-2019-13057, CVE-2019-13565

Severity
critical
Lowest
Low
Medium
High
Critical

August 19, 2019

Topics%20covered

Topics Covered

security advisory access control Ubuntu authentication issue update instructions OpenLDAP

Package Information

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