1. Ubuntu Security Notices
  2. USN-4282-1

USN-4282-1: PostgreSQL vulnerability

Publication date

18 February 2020

Overview

PostgreSQL could allow unintended access to the database.

Releases

Packages

Details

It was discovered that PostgreSQL incorrectly performed authorization
checks when handling the “ALTER ... DEPENDS ON EXTENSION” sub-commands. A
remote attacker could possibly use this issue to drop any function,
procedure, materialized view, index, or trigger under certain conditions.

It was discovered that PostgreSQL incorrectly performed authorization
checks when handling the “ALTER ... DEPENDS ON EXTENSION” sub-commands. A
remote attacker could possibly use this issue to drop any function,
procedure, materialized view, index, or trigger under certain conditions.

Update instructions

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.

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
19.10 eoan postgresql-11 –  11.7-0ubuntu0.19.10.1
18.04 bionic postgresql-10 –  10.12-0ubuntu0.18.04.1

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References

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