1. Ubuntu Security Notices
  2. USN-4333-2

USN-4333-2: Python vulnerabilities

Publication date

30 April 2020

Overview

Several security issues were fixed in Python.

Releases

Packages

  • 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)

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

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
20.04 focal python3.8 –  3.8.2-1ubuntu1.1
python3.8-minimal –  3.8.2-1ubuntu1.1

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References

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