[USN-4961-1] pip vulnerability

[Marc Deslauriers]

==========================================================================
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:
  https://ubuntu.com/security/notices/USN-4961-1
  https://launchpad.net/bugs/1926957

Package Information:
  https://launchpad.net/ubuntu/+source/python-pip/20.0.2-5ubuntu1.5

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