1. Ubuntu Security Notices
  2. USN-5676-1

USN-5676-1: PostgreSQL vulnerability

Publication date

13 October 2022

Overview

PostgreSQL could be made to execute commands as the superuser.

Releases

Packages

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.

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

After a standard system update you need to restart PostgreSQL to make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial postgresql-9.5 –  9.5.25-0ubuntu0.16.04.1+esm2  

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References

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