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Ubuntu 21.10: USN-5311-1 Critical: Containerd Access Threat

ubuntu
Calendar Grey March 3, 2022
Dist Ubuntu Esm H88
Uncover insights on the Ubuntu 5311-1 bulletin concerning a vulnerability in containerd that affects network file accessibility.
containerd would allow unintended access to files over the network.

Summary

containerd would allow unintended access to files over the network.

Software Description:

- containerd: daemon to control runC

Details:

It was discovered that containerd allows attackers to gain access to read-

only copies of arbitrary files and directories on the host via a specially-

crafted image configuration. An attacker could possibly use this issue to

obtain sensitive information.

Topics%20covered

Topics Covered

security advisory access issue Ubuntu file access network threat containerd

Update Instructions

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

Ubuntu 21.10:
  containerd                      1.5.5-0ubuntu3.1

Ubuntu 20.04 LTS:
  containerd                      1.5.5-0ubuntu3~20.04.2

Ubuntu 18.04 LTS:
  containerd                      1.5.5-0ubuntu3~18.04.2

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5311-1

CVE-2022-23648

Severity
critical
Lowest
Low
Medium
High
Critical

March 03, 2022

Topics%20covered

Topics Covered

security advisory access issue Ubuntu file access network threat containerd

Package Information

https://launchpad.net/ubuntu/+source/containerd/1.5.5-0ubuntu3.1
https://launchpad.net/ubuntu/+source/containerd/1.5.5-0ubuntu3~20.04.2
https://launchpad.net/ubuntu/+source/containerd/1.5.5-0ubuntu3~18.04.2

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