python-rsa vulnerability

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

* Ubuntu 14.04 ESM

Summary

Python-RSA could be made to expose sensitive information over the
network.

Software Description

* python-rsa - Pure-Python RSA implementation (Python 2)

Details

It was discovered that Python-RSA incorrectly handled certain
ciphertexts. An attacker could possibly use this issue to obtain
sensitive information.

Update instructions

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

Ubuntu 14.04 ESM
python-rsa - 3.1.2-1ubuntu0.1+esm1
python3-rsa - 3.1.2-1ubuntu0.1+esm1

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

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

References

* CVE-2020-13757

--- Mystic BBS v1.12 A46 (Linux/64)
* Origin: BZ&BZ BBS (21:4/110)