USN-6400-1: Python vulnerability

Publication date

27 September 2023

Overview

Python could be made to expose sensitive information.


Packages

  • python2.7 - An interactive high-level object-oriented language
  • python3.5 - An interactive high-level object-oriented language

Details

It was discovered that Python did not properly provide constant-time
processing for a crypto operation. An attacker could possibly use this
issue to perform a timing attack and recover sensitive information.

It was discovered that Python did not properly provide constant-time
processing for a crypto operation. An attacker could possibly use this
issue to perform a timing attack and recover 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
18.04 bionic libpython2.7 –  2.7.17-1~18.04ubuntu1.13+esm2  
libpython2.7-minimal –  2.7.17-1~18.04ubuntu1.13+esm2  
libpython2.7-stdlib –  2.7.17-1~18.04ubuntu1.13+esm2  
16.04 xenial libpython2.7 –  2.7.12-1ubuntu0~16.04.18+esm7  
libpython2.7-minimal –  2.7.12-1ubuntu0~16.04.18+esm7  
libpython2.7-stdlib –  2.7.12-1ubuntu0~16.04.18+esm7  
libpython3.5 –  3.5.2-2ubuntu0~16.04.13+esm11  
libpython3.5-minimal –  3.5.2-2ubuntu0~16.04.13+esm11  
libpython3.5-stdlib –  3.5.2-2ubuntu0~16.04.13+esm11  

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


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