[USN-5571-1] PostgreSQL vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-5571-1
August 18, 2022

postgresql-10, postgresql-12, postgresql-14 vulnerability
==========================================================================

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

PostgreSQL could be made to run programs when creating or updating
extensions.

Software Description:
- postgresql-14: Object-relational SQL database
- postgresql-12: Object-relational SQL database
- postgresql-10: Object-relational SQL database

Details:

Sven Klemm discovered that PostgreSQL incorrectly handled extensions. An
attacker could possibly use this issue to execute arbitrary code when
extensions are created or updated.

Update instructions:

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

Ubuntu 22.04 LTS:
  postgresql-14                   14.5-0ubuntu0.22.04.1

Ubuntu 20.04 LTS:
  postgresql-12                   12.12-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
  postgresql-10                   10.22-0ubuntu0.18.04.1

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:
  https://ubuntu.com/security/notices/USN-5571-1
  CVE-2022-2625

Package Information:
  https://launchpad.net/ubuntu/+source/postgresql-14/14.5-0ubuntu0.22.04.1
  https://launchpad.net/ubuntu/+source/postgresql-12/12.12-0ubuntu0.20.04.1
  https://launchpad.net/ubuntu/+source/postgresql-10/10.22-0ubuntu0.18.04.1
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