USN-3585-1: Twisted vulnerability

Ubuntu Security Notice USN-3585-1

5th March, 2018

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

Twisted could be made to run programs if it received specially crafted
network traffic.

It was discovered that Twisted incorrectly handled certain HTTP requests.
An attacker could possibly use this issue to execute arbitrary code.

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

Ubuntu 16.04 LTS:: python3-twisted

16.0.0-1ubuntu0.2; python-twisted-web

16.0.0-1ubuntu0.2; python-twisted

16.0.0-1ubuntu0.2; python-twisted-bin

16.0.0-1ubuntu0.2
Ubuntu 14.04 LTS:: python-twisted-web

13.2.0-1ubuntu1.2; python-twisted

13.2.0-1ubuntu1.2; python-twisted-bin

13.2.0-1ubuntu1.2

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.