USN-3066-1: PostgreSQL vulnerabilities

Ubuntu Security Notice USN-3066-1

18th August, 2016

postgresql-9.1, postgresql-9.3, postgresql-9.5 vulnerabilities

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

• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS
• Ubuntu 12.04 LTS

Summary

Several security issues were fixed in PostgreSQL.

Software description

• postgresql-9.1 - Object-relational SQL database
• postgresql-9.3 - Object-relational SQL database
• postgresql-9.5 - object-relational SQL database

Details

Heikki Linnakangas discovered that PostgreSQL incorrectly handled certain
nested CASE/WHEN expressions. A remote attacker could possibly use this
issue to cause PostgreSQL to crash, resulting in a denial of service.
(CVE-2016-5423)

Nathan Bossart discovered that PostgreSQL incorrectly handled special
characters in database and role names. A remote attacker could possibly use
this issue to escalate privileges. (CVE-2016-5424)

Update instructions

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

Ubuntu 16.04 LTS:

postgresql-9.5 9.5.4-0ubuntu0.16.04

Ubuntu 14.04 LTS:

postgresql-9.3 9.3.14-0ubuntu0.14.04

Ubuntu 12.04 LTS:

postgresql-9.1 9.1.23-0ubuntu0.12.04

To update your system, please follow these instructions: http://ift.tt/17VXqjU.

This update uses a new upstream release, which includes additional bug
fixes. After a standard system update you need to restart PostgreSQL to
make all the necessary changes.

References

CVE-2016-5423, CVE-2016-5424

from Ubuntu Security Notices http://ift.tt/2bwzKrU