USN-3616-1: Python Crypto vulnerability
3 April 2018
python-crypto vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary
Python Crypto could expose sensitive information.
Software Description
- python-crypto - cryptographic algorithms and protocols for Python
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 17.10
- python-crypto - 2.6.1-7ubuntu0.1
- python3-crypto - 2.6.1-7ubuntu0.1
- Ubuntu 16.04 LTS
- python-crypto - 2.6.1-6ubuntu0.16.04.3
- python3-crypto - 2.6.1-6ubuntu0.16.04.3
- Ubuntu 14.04 LTS
- python-crypto - 2.6.1-4ubuntu0.3
- python3-crypto - 2.6.1-4ubuntu0.3
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.