PostgreSQL could be made to run SQL statements as the administrator.
It was discovered that PostgreSQL incorrectly handled certain trigger definitions when running pg_upgrade or pg_dump. A remote attacker could possibly use this issue to execute arbitrary SQL statements with superuser privileges.
14 November 2018
A security issue affects these releases of Ubuntu and its derivatives:
PostgreSQL could be made to run SQL statements as the administrator.
It was discovered that PostgreSQL incorrectly handled certain trigger definitions when running pg_upgrade or pg_dump. A remote attacker could possibly use this issue to execute arbitrary SQL statements with superuser privileges.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
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.
Vulmon