USN-3943-1: Wget vulnerabilities

8 April 2019

wget vulnerabilities

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

  • Ubuntu 18.10
  • Ubuntu 18.04 LTS
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS

Summary

Several security issues were fixed in Wget.

Software Description

  • wget - retrieves files from the web

Details

It was discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information. This issue only affected Ubuntu 18.04 LTS and Ubuntu 18.10. (CVE-2018-20483)

Kusano Kazuhiko discovered that Wget incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. (CVE-2019-5953)

Update instructions

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

Ubuntu 18.10
wget - 1.19.5-1ubuntu1.1
Ubuntu 18.04 LTS
wget - 1.19.4-1ubuntu2.2
Ubuntu 16.04 LTS
wget - 1.17.1-1ubuntu1.5
Ubuntu 14.04 LTS
wget - 1.15-1ubuntu1.14.04.5

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