USN-3616-2: Python Crypto vulnerability

9 April 2018

python-crypto vulnerability

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

  • Ubuntu 12.04 ESM


Python Crypto could expose sensitive information.

Software Description

  • python-crypto - cryptographic algorithms and protocols for Python


USN-3616-1 fixed a vulnerability in Python Crypto. This update provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that Python Crypto incorrectly generated ElGamal key parameters. A remote 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 12.04 ESM
python-crypto - 2.4.1-1ubuntu0.3
python3-crypto - 2.4.1-1ubuntu0.3

To update your system, please follow these instructions:

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