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Ubuntu Security Notice USN-2621-1
May 25, 2015

postgresql-9.1, postgresql-9.3, postgresql-9.4 vulnerabilities
============================================================================

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

- Ubuntu 15.04
- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in PostgreSQL.

Software Description:
- postgresql-9.4: Object-relational SQL database
- postgresql-9.3: Object-relational SQL database
- postgresql-9.1: Object-relational SQL database

Details:

Benkocs Norbert Attila discovered that PostgreSQL incorrectly handled
authentication timeouts. A remote attacker could use this flaw to cause the
unauthenticated session to crash, possibly leading to a security issue.
(CVE-2015-3165)

Noah Misch discovered that PostgreSQL incorrectly handled certain standard
library function return values, possibly leading to security issues.
(CVE-2015-3166)

Noah Misch discovered that the pgcrypto function could return different
error messages when decrypting using an incorrect key, possibly leading to
a security issue. (CVE-2015-3167)

Update instructions:

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

Ubuntu 15.04:
  postgresql-9.4                  9.4.2-0ubuntu0.15.04

Ubuntu 14.10:
  postgresql-9.4                  9.4.2-0ubuntu0.14.10

Ubuntu 14.04 LTS:
  postgresql-9.3                  9.3.7-0ubuntu0.14.04

Ubuntu 12.04 LTS:
  postgresql-9.1                  9.1.16-0ubuntu0.12.04

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
  http://www.ubuntu.com/usn/usn-2621-1
  CVE-2015-3165, CVE-2015-3166, CVE-2015-3167

Package Information:
  https://launchpad.net/ubuntu/+source/postgresql-9.4/9.4.2-0ubuntu0.15.04
  https://launchpad.net/ubuntu/+source/postgresql-9.4/9.4.2-0ubuntu0.14.10
  https://launchpad.net/ubuntu/+source/postgresql-9.3/9.3.7-0ubuntu0.14.04
  https://launchpad.net/ubuntu/+source/postgresql-9.1/9.1.16-0ubuntu0.12.04