USN-4333-2: Python vulnerabilities

30 April 2020

python3.8 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 20.04 LTS

Summary

Several security issues were fixed in Python.

Software Description

  • python3.8 - Interactive high-level object-oriented language (version 3.8)

Details

USN-4333-1 fixed vulnerabilities in Python. This update provides the corresponding update for Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that Python incorrectly stripped certain characters from requests. A remote attacker could use this issue to perform CRLF injection. (CVE-2019-18348)

It was discovered that Python incorrectly handled certain HTTP requests. An attacker could possibly use this issue to cause a denial of service. (CVE-2020-8492)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04 LTS
python3.8 - 3.8.2-1ubuntu1.1
python3.8-minimal - 3.8.2-1ubuntu1.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system update will make all the necessary changes.

References