[USN-4961-1] pip vulnerability

========================================================================== Ubuntu Security Notice USN-4961-1 May 19, 2021
python-pip vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 20.04 LTS
Summary:
pip could be made to install different git revisions.
Software Description: – python-pip: Python package installer
Details:
It was discovered that pip incorrectly handled unicode separators in git references. A remote attacker could possibly use this issue to install a different revision on a repository.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 20.04 LTS: python3-pip 20.0.2-5ubuntu1.5
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-4961-1 launchpad.net/bugs/1926957
Package Information: launchpad.net/ubuntu/+source/python-pip/20.0.2-5ubuntu1.5