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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

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.

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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