DSA-5368: -1 libreswan -- security update

Published Mar 3, 2023

Updated

It was discovered that the libreswan IPsec implementation could be forced into a crash/restart via malformed IKEv2 packets after peer authentication, resulting in denial of service.

Affected Software

2 affected components

debian/libreswan

Event History

Mar 3, 2023

Advisory Published

12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

CVE-2023-23009

Frequently Asked Questions

What access does an attacker need to trigger the denial of service?

The attacker must be able to send malformed IKEv2 packets after peer authentication. The issue affects authenticated IPsec peers rather than unauthenticated traffic alone.

What is the expected impact if exploitation succeeds?

libreswan can be forced to crash or restart, causing a denial of service for the affected IPsec implementation.

Company

Resources

Contact

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info@secalerts.co

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