1. Ubuntu Security Notices
  2. USN-6656-2

USN-6656-2: PostgreSQL vulnerability

Publication date

12 March 2024

Overview

PostgreSQL could be made to run arbitrary SQL.

Releases

Packages

Details

USN-6656-1 fixed several vulnerabilities in PostgreSQL. This update provides
the corresponding updates for Ubuntu 16.04 LTS

Original advisory details:

It was discovered that PostgreSQL incorrectly handled dropping privileges
when handling REFRESH MATERIALIZED VIEW CONCURRENTLY commands. If a user or
automatic system were tricked into running a specially crafted command, a
remote attacker could possibly use this issue to execute arbitrary SQL
functions.

USN-6656-1 fixed several vulnerabilities in PostgreSQL. This update provides
the corresponding updates for Ubuntu 16.04 LTS

Original advisory details:

It was discovered that PostgreSQL incorrectly handled dropping privileges
when handling REFRESH MATERIALIZED VIEW CONCURRENTLY commands. If a user or
automatic system were tricked into running a specially crafted command, a
remote attacker could possibly use this issue to execute arbitrary SQL
functions.

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+esm7  
postgresql-client-9.5 –  9.5.25-0ubuntu0.16.04.1+esm7  

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References

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