1. Ubuntu Security Notices
  2. USN-4613-1

USN-4613-1: python-cryptography vulnerability

Publication date

3 November 2020

Overview

python-cryptography could be made to expose sensitive information over the network.

Releases

Packages

Details

Hubert Kario discovered that python-cryptography incorrectly handled certain decryption.
An attacker could possibly use this issue to expose sensitive information.

Hubert Kario discovered that python-cryptography incorrectly handled certain decryption.
An attacker could possibly use this issue to expose sensitive information.

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-cryptography –  3.0-1ubuntu0.1
20.04 focal python-cryptography –  2.8-3ubuntu0.1
python3-cryptography –  2.8-3ubuntu0.1
18.04 bionic python-cryptography –  2.1.4-1ubuntu1.4
python3-cryptography –  2.1.4-1ubuntu1.4
16.04 xenial python-cryptography –  1.2.3-1ubuntu0.3
python3-cryptography –  1.2.3-1ubuntu0.3

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References

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