[USN-5767-1] Python vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-5767-1
December 08, 2022

python2.7, python3.10, python3.6, python3.8 vulnerabilities
==========================================================================

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

- Ubuntu 22.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Python.

Software Description:
- python3.10: An interactive high-level object-oriented language
- python3.8: An interactive high-level object-oriented language
- python2.7: An interactive high-level object-oriented language
- python3.6: An interactive high-level object-oriented language

Details:

Nicky Mouha discovered that Python incorrectly handled certain SHA-3 internals.
An attacker could possibly use this issue to cause a crash or execute arbitrary code.
(CVE-2022-37454)

It was discovered that Python incorrectly handled certain IDNA inputs.
An attacker could possibly use this issue to expose sensitive information
denial of service, or cause a crash.
(CVE-2022-45061)

Update instructions:

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

Ubuntu 22.10:
  libpython3.10                   3.10.7-1ubuntu0.2
  python3.10                      3.10.7-1ubuntu0.2

Ubuntu 22.04 LTS:
  libpython3.10                   3.10.6-1~22.04.2
  python3.10                      3.10.6-1~22.04.2

Ubuntu 20.04 LTS:
  libpython3.8                    3.8.10-0ubuntu1~20.04.6
  python3.8                       3.8.10-0ubuntu1~20.04.6

Ubuntu 18.04 LTS:
  libpython2.7                    2.7.17-1~18.04ubuntu1.10
  libpython3.6                    3.6.9-1~18.04ubuntu1.9
  python2.7                       2.7.17-1~18.04ubuntu1.10
  python3.6                       3.6.9-1~18.04ubuntu1.9

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

References:
  https://ubuntu.com/security/notices/USN-5767-1
  CVE-2022-37454, CVE-2022-45061

Package Information:
  https://launchpad.net/ubuntu/+source/python3.10/3.10.7-1ubuntu0.2
  https://launchpad.net/ubuntu/+source/python3.10/3.10.6-1~22.04.2
  https://launchpad.net/ubuntu/+source/python3.8/3.8.10-0ubuntu1~20.04.6
  https://launchpad.net/ubuntu/+source/python2.7/2.7.17-1~18.04ubuntu1.10
  https://launchpad.net/ubuntu/+source/python3.6/3.6.9-1~18.04ubuntu1.9
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