USN-3643-1: Wget vulnerability

9 May 2018

wget vulnerability

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

  • Ubuntu 18.04 LTS
  • Ubuntu 17.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS


Wget could be made to inject arbitrary cookie values.

Software Description

  • wget - retrieves files from the web


It was discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this to inject arbitrary cookie values.

Update instructions

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

Ubuntu 18.04 LTS
wget - 1.19.4-1ubuntu2.1
Ubuntu 17.10
wget - 1.19.1-3ubuntu1.2
Ubuntu 16.04 LTS
wget - 1.17.1-1ubuntu1.4
Ubuntu 14.04 LTS
wget - 1.15-1ubuntu1.14.04.4

To update your system, please follow these instructions:

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