USN-4103-1: docker-credential-helpers vulnerability

19 August 2019

docker-credential-helpers vulnerability

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

  • Ubuntu 19.04

Summary

docker-credential-helpers could be made to crash or run programs as your login

Software Description

  • golang-github-docker-docker-credential-helpers - Use native stores to safeguard Docker credentials

Details

Jasiel Spelman discovered that a double free existed in docker-credential- helpers. A local attacker could use this to cause a denial of service (crash) or possibly execute arbitrary code.

Update instructions

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

Ubuntu 19.04
golang-docker-credential-helpers - 0.6.1-1ubuntu0.1

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