USN-4282-1: PostgreSQL vulnerability
postgresql-10, postgresql-11 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 18.04 LTS
Summary
PostgreSQL could allow unintended access to the database.
Software Description
- postgresql-11 – Object-relational SQL database
- postgresql-10 – Object-relational SQL database
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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 19.10
- postgresql-11 – 11.7-0ubuntu0.19.10.1
- Ubuntu 18.04 LTS
- postgresql-10 – 10.12-0ubuntu0.18.04.1
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.
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