USN-4973-1: Python vulnerability

Publication date

1 June 2021

Overview

Python could allow unintended access to network services.


Packages

  • python3.8 - An interactive high-level object-oriented language

Details

It was discovered that the Python stdlib ipaddress API incorrectly handled
octal strings. A remote attacker could possibly use this issue to perform a
wide variety of attacks, including bypassing certain access restrictions.

It was discovered that the Python stdlib ipaddress API incorrectly handled
octal strings. A remote attacker could possibly use this issue to perform a
wide variety of attacks, including bypassing certain access restrictions.

Update instructions

In general, a standard system update will 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
20.10 groovy python3.8-minimal –  3.8.6-1ubuntu0.3
python3.8 –  3.8.6-1ubuntu0.3
20.04 focal python3.8-minimal –  3.8.5-1~20.04.3
python3.8 –  3.8.5-1~20.04.3

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›