[USN-2499-1] PostgreSQL vulnerabilities

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-2499-1
February 11, 2015

postgresql-8.4, postgresql-9.1, postgresql-9.3, postgresql-9.4 vulnerabilities
==========================================================================

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

- Ubuntu 14.10
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
- Ubuntu 10.04 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
- postgresql-8.4: Object-relational SQL database

Details:

Stephen Frost discovered that PostgreSQL incorrectly displayed certain
values in error messages. An authenticated user could gain access to seeing
certain values, contrary to expected permissions. (CVE-2014-8161)

Andres Freund, Peter Geoghegan and Noah Misch discovered that PostgreSQL
incorrectly handled buffers in to_char functions. An authenticated attacker
could possibly use this issue to cause PostgreSQL to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2015-0241)

It was discovered that PostgreSQL incorrectly handled memory in the
pgcrypto extension. An authenticated attacker could possibly use this issue
to cause PostgreSQL to crash, resulting in a denial of service, or possibly
execute arbitrary code. (CVE-2015-0243)

Emil Lenngren discovered that PostgreSQL incorrectly handled extended
protocol message reading. An authenticated attacker could possibly use this
issue to cause PostgreSQL to crash, resulting in a denial of service, or
possibly inject query messages. (CVE-2015-0244)

Update instructions:

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

Ubuntu 14.10:
  postgresql-9.4                  9.4.1-0ubuntu0.14.10

Ubuntu 14.04 LTS:
  postgresql-9.3                  9.3.6-0ubuntu0.14.04

Ubuntu 12.04 LTS:
  postgresql-9.1                  9.1.15-0ubuntu0.12.04

Ubuntu 10.04 LTS:
  postgresql-8.4                  8.4.22-0ubuntu0.10.04.1

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-2499-1
  CVE-2014-8161, CVE-2015-0241, CVE-2015-0243, CVE-2015-0244

Package Information:
  https://launchpad.net/ubuntu/+source/postgresql-9.4/9.4.1-0ubuntu0.14.10
  https://launchpad.net/ubuntu/+source/postgresql-9.3/9.3.6-0ubuntu0.14.04
  https://launchpad.net/ubuntu/+source/postgresql-9.1/9.1.15-0ubuntu0.12.04
  https://launchpad.net/ubuntu/+source/postgresql-8.4/8.4.22-0ubuntu0.10.04.1


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