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Ubuntu 20.04, 18.04, 16.04: USN-4589-2 Docker Network Exposure

ubuntu
Calendar Grey October 15, 2020
Dist Ubuntu Esm H88
Debian Security Notice DSN-1234-5 addresses a podman vulnerability that could lead to unauthorized data access.
Docker could be made to expose sensitive information over the network.

Summary

Docker could be made to expose sensitive information over the

network.

Software Description:

- docker.io: Linux container runtime

Details:

USN-4589-1 fixed a vulnerability in containerd. This update provides

the corresponding update for docker.io.

Original advisory details:

It was discovered that containerd could be made to expose sensitive

information when processing URLs in container image manifests. A

remote attacker could use this to trick the user and obtain the

user's registry credentials.

Topics%20covered

Topics Covered

security advisory update instructions exposure ubuntu network threat docker

Update Instructions

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

Ubuntu 20.04 LTS:
  docker.io                       19.03.8-0ubuntu1.20.04.1

Ubuntu 18.04 LTS:
  docker.io                       19.03.6-0ubuntu1~18.04.2

Ubuntu 16.04 LTS:
  docker.io                       18.09.7-0ubuntu1~16.04.6

After a standard system update you need to restart docker to make
all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4589-2

https://ubuntu.com/security/notices/USN-4589-1

CVE-2020-15157

Severity
important
Lowest
Low
Medium
High
Critical

October 15, 2020

Topics%20covered

Topics Covered

security advisory update instructions exposure ubuntu network threat docker

Package Information

https://launchpad.net/ubuntu/+source/docker.io/19.03.8-0ubuntu1.20.04.1
https://launchpad.net/ubuntu/+source/docker.io/19.03.6-0ubuntu1~18.04.2
https://launchpad.net/ubuntu/+source/docker.io/18.09.7-0ubuntu1~16.04.6

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