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Ubuntu 21.10: USN-5387-1 Critical Access Restriction in Barbican

ubuntu
Calendar Grey April 25, 2022
Dist Ubuntu Esm H88
Multiple vulnerabilities were resolved in barbican for Ubuntu 21.10, 20.04 LTS, and 18.04 LTS. Ensure you update your system promptly.
Several security issues were fixed in barbican.

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)

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu access restriction barbican

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

Severity
critical
Lowest
Low
Medium
High
Critical

April 25, 2022

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu access restriction barbican

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

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