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Ubuntu Security Notice USN-6772-1

Ubuntu Security Notice USN-6772-1
Posted May 14, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6772-1 - Jan Schermer discovered that strongSwan incorrectly validated client certificates in certain configurations. A remote attacker could possibly use this issue to bypass access controls.

tags | advisory, remote
systems | linux, ubuntu
advisories | CVE-2022-4967
SHA-256 | 590fa84cad23748ca02289e6f9530d990b8eb44ed69567c869b7a9030e59d269

Ubuntu Security Notice USN-6772-1

Change Mirror Download
==========================================================================
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

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.

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

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

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