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

barbican vulnerabilities
=========================================================================
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