[USN-5134-1] Docker vulnerability

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Ubuntu Security Notice USN-5134-1 November 09, 2021
docker.io vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 21.10 – Ubuntu 21.04 – Ubuntu 20.04 LTS – Ubuntu 18.04 LTS
Summary:
Docker could be made to expose sensitive information over the network.
Software Description: – docker.io: Linux container runtime
Details:
An information disclosure issue was discovered in the command line interface of Docker. A misconfigured credential store could result in supplied credentials being leaked to the public registry, when using the docker login command with a private registry.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 21.10: docker.io 20.10.7-0ubuntu5.1
Ubuntu 21.04: docker.io 20.10.7-0ubuntu5~21.04.2
Ubuntu 20.04 LTS: docker.io 20.10.7-0ubuntu5~20.04.2
Ubuntu 18.04 LTS: docker.io 20.10.7-0ubuntu5~18.04.3
In general, a standard system update will make all the necessary changes.
References: ubuntu.com/security/notices/USN-5134-1 CVE-2021-41092
Package Information: launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5.1 launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5~21.04.2 launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5~20.04.2 launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5~18.04.3