1. Ubuntu Security Notices
  2. USN-4428-1

USN-4428-1: Python vulnerabilities

Publication date

22 July 2020

Overview

Several security issues were fixed in Python.

Releases

Packages

  • python2.7 - An interactive high-level object-oriented language
  • python3.4 - An interactive high-level object-oriented language
  • python3.5 - An interactive high-level object-oriented language
  • python3.6 - An interactive high-level object-oriented language
  • python3.8 - Interactive high-level object-oriented language (version 3.8)

Details

It was discovered that Python documentation had a misleading information.
A security issue could be possibly caused by wrong assumptions of this information.
This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and
Ubuntu 18.04 LTS. (CVE-2019-17514)

It was discovered that Python incorrectly handled certain TAR archives.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2019-20907)

It was discovered that incorrectly handled certain ZIP files. An attacker
could possibly use this issue to cause a denial of service. This issue only
affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
(CVE-2019-9674)

It was discovered that Python incorrectly handled certain IP values.
An attacker could possibly use this issue to cause a denial of...

It was discovered that Python documentation had a misleading information.
A security issue could be possibly caused by wrong assumptions of this information.
This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and
Ubuntu 18.04 LTS. (CVE-2019-17514)

It was discovered that Python incorrectly handled certain TAR archives.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2019-20907)

It was discovered that incorrectly handled certain ZIP files. An attacker
could possibly use this issue to cause a denial of service. This issue only
affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
(CVE-2019-9674)

It was discovered that Python incorrectly handled certain IP values.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and
Ubuntu 20.04 LTS. (CVE-2020-14422)

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 –  3.8.2-1ubuntu1.2
python3.8-minimal –  3.8.2-1ubuntu1.2
18.04 bionic python2.7 –  2.7.17-1~18.04ubuntu1.1
python2.7-minimal –  2.7.17-1~18.04ubuntu1.1
python3.6 –  3.6.9-1~18.04ubuntu1.1
python3.6-minimal –  3.6.9-1~18.04ubuntu1.1
16.04 xenial python2.7 –  2.7.12-1ubuntu0~16.04.12
python2.7-minimal –  2.7.12-1ubuntu0~16.04.12
python3.5 –  3.5.2-2ubuntu0~16.04.11
python3.5-minimal –  3.5.2-2ubuntu0~16.04.11
14.04 trusty python2.7 –  2.7.6-8ubuntu0.6+esm6
python2.7-minimal –  2.7.6-8ubuntu0.6+esm6
python3.4 –  3.4.3-1ubuntu1~14.04.7+esm7
python3.4-minimal –  3.4.3-1ubuntu1~14.04.7+esm7
12.04 precise python2.7 –  2.7.3-0ubuntu3.18
python2.7-minimal –  2.7.3-0ubuntu3.18

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References

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