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Alerts This Week
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Ubuntu 22.04: USN-6772-1 Critical: strongSwan bypass threat

ubuntu
Calendar Grey May 14, 2024
Dist Ubuntu Esm H88
The recent Ubuntu Security Notice USN-6772-2 alerts users to a vulnerability in strongSwan that enables counterfeit certificates to circumvent security measures.
Fraudulent security certificates could allow access controls to be bypassed.

Summary

Fraudulent security certificates could allow access controls to be

bypassed.

Software Description:

- strongswan: IPsec VPN solution

Details:

Jan Schermer discovered that strongSwan incorrectly validated client

certificates in certain configurations. A remote attacker could possibly

use this issue to bypass access controls.

Topics%20covered

Topics Covered

security advisory critical access control Ubuntu ubuntu bypass strongswan

Update Instructions

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

Ubuntu 22.04 LTS
   libstrongswan                   5.9.5-2ubuntu2.3
   strongswan                      5.9.5-2ubuntu2.3

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

References

https://ubuntu.com/security/notices/USN-6772-1

CVE-2022-4967

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-6772-1

Topics%20covered

Topics Covered

security advisory critical access control Ubuntu ubuntu bypass strongswan

Package Information

https://launchpad.net/ubuntu/+source/strongswan/5.9.5-2ubuntu2.3

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