A Barbican security update has been released for Ubuntu Linux 18.04 LTS, 20.04 LTS, and 21.10.

USN-5387-1: Barbican vulnerabilities

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Ubuntu Security Notice USN-5387-1
April 25, 2022

barbican vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in barbican.

Software Description:
- barbican: OpenStack Key Management Service - API Server

Details:

Douglas Mendizábal discovered that Barbican incorrectly handled access
restrictions. An authenticated attacker could possibly use this issue to
consume protected resources and possibly cause a denial of service.
(CVE-2022-23451, CVE-2022-23452)

Update instructions:

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

Ubuntu 21.10:
python3-barbican 2:13.0.0-0ubuntu1.2

Ubuntu 20.04 LTS:
python3-barbican 1:10.1.0-0ubuntu2.1

Ubuntu 18.04 LTS:
python-barbican 1:6.0.1-0ubuntu1.1

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

References:
https://ubuntu.com/security/notices/USN-5387-1
CVE-2022-23451, CVE-2022-23452

Package Information:
https://launchpad.net/ubuntu/+source/barbican/2:13.0.0-0ubuntu1.2
https://launchpad.net/ubuntu/+source/barbican/1:10.1.0-0ubuntu2.1
https://launchpad.net/ubuntu/+source/barbican/1:6.0.1-0ubuntu1.1