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List:       ubuntu-security-announce
Subject:    [USN-5134-1] Docker vulnerability
From:       Ray Veldkamp <ray.veldkamp () canonical ! com>
Date:       2021-11-09 4:08:00
Message-ID: cd70fa4d-ac8a-c8ac-eb2b-94b02f187b6f () canonical ! com
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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:
https://ubuntu.com/security/notices/USN-5134-1
CVE-2021-41092

Package Information:
https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5.1
https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5~21.04.2
https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5~20.04.2
https://launchpad.net/ubuntu/+source/docker.io/20.10.7-0ubuntu5~18.04.3


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