[USN-5440-1] PostgreSQL vulnerability

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Ubuntu Security Notice USN-5440-1
May 24, 2022

postgresql-10, postgresql-12, postgresql-13, postgresql-14 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 22.04 LTS
- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

PostgreSQL could be made to execute commands as the superuser.

Software Description:
- postgresql-14: Object-relational SQL database
- postgresql-13: Object-relational SQL database
- postgresql-12: Object-relational SQL database
- postgresql-10: Object-relational SQL database

Details:

Alexander Lakhin discovered that PostgreSQL incorrectly handled the
security restricted operation sandbox when a privileged user is maintaining
another user's objects. An attacker having permission to create non-temp
objects can use this issue to execute arbitrary commands as the superuser.

Update instructions:

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

Ubuntu 22.04 LTS:
postgresql-14 14.3-0ubuntu0.22.04.1

Ubuntu 21.10:
postgresql-13 13.7-0ubuntu0.21.10.1

Ubuntu 20.04 LTS:
postgresql-12 12.11-0ubuntu0.20.04.1

Ubuntu 18.04 LTS:
postgresql-10 10.21-0ubuntu0.18.04.1

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-5440-1
CVE-2022-1552

Package Information:
https://launchpad.net/ubuntu/+source/postgresql-14/14.3-0ubuntu0.22.04.1
https://launchpad.net/ubuntu/+source/postgresql-13/13.7-0ubuntu0.21.10.1
https://launchpad.net/ubuntu/+source/postgresql-12/12.11-0ubuntu0.20.04.1
https://launchpad.net/ubuntu/+source/postgresql-10/10.21-0ubuntu0.18.04.1