[USN-6772-1] strongSwan vulnerability

Marc Deslauriers marc.deslauriers at canonical.com
Tue May 14 12:28:07 UTC 2024

Ubuntu Security Notice USN-6772-1
May 14, 2024

strongswan vulnerability

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

- Ubuntu 22.04 LTS


Fraudulent security certificates could allow access controls to be

Software Description:
- strongswan: IPsec VPN solution


Jan Schermer discovered that strongSwan incorrectly validated client
certificates in certain configurations. A remote attacker could possibly
use this issue to bypass access controls.

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.


Package Information:

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