A Barbican security update has been released for Ubuntu Linux 18.04 LTS, 20.04 LTS, and 22.04 LTS.

USN-5697-1: Barbican vulnerability

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Ubuntu Security Notice USN-5697-1
October 25, 2022

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Barbican could be made to expose sensitive information over the
network.

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

Details:

Douglas Mendizabal discovered that Barbican incorrectly handled certain
query strings. A remote attacker could possibly use this issue to bypass
the access policy.

Update instructions:

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

Ubuntu 22.04 LTS:
python3-barbican 2:14.0.0-0ubuntu1.1

Ubuntu 20.04 LTS:
python3-barbican 1:10.1.0-0ubuntu2.2

Ubuntu 18.04 LTS:
python-barbican 1:6.0.1-0ubuntu1.2

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

References:
https://ubuntu.com/security/notices/USN-5697-1
CVE-2022-3100

Package Information:
https://launchpad.net/ubuntu/+source/barbican/2:14.0.0-0ubuntu1.1
https://launchpad.net/ubuntu/+source/barbican/1:10.1.0-0ubuntu2.2
https://launchpad.net/ubuntu/+source/barbican/1:6.0.1-0ubuntu1.2