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Ubuntu 16.04 LTS: USN-4589-1 Critical: containerd Network Exposure

ubuntu
Calendar Grey October 15, 2020
Scroller Ubuntu
The recent Ubuntu Security Notice USN-4590-1 highlights a critical flaw in containerd that may lead to unauthorized access to network information.
containerd could be made to expose sensitive information over the network.

Summary

containerd could be made to expose sensitive information over the

network.

Software Description:

- containerd: daemon to control containers

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 Ubuntu sensitive information network exposure containerd

Update Instructions

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

Ubuntu 16.04 LTS:
  containerd                      1.2.6-0ubuntu1~16.04.4

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

References

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

CVE-2020-15157

Severity
critical
Lowest
Low
Medium
High
Critical

=========================================================================Ubuntu Security Notice USN-4589-1

Topics%20covered

Topics Covered

security advisory Ubuntu sensitive information network exposure containerd

Package Information

https://launchpad.net/ubuntu/+source/containerd/1.2.6-0ubuntu1~16.04.4

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