USN-6488-1: strongSwan vulnerability

Published Nov 20, 2023
·
Updated

Florian Picca discovered that strongSwan incorrectly handled certain DH public values. A remote attacker could use this issue to cause strongSwan to crash, resulting in a denial of service, or possibly execute arbitrary code.

Affected Software

16 affected componentsFixes available
All of the following
ubuntu/libstrongswan<5.9.11-1ubuntu1.1
5.9.11-1ubuntu1.1
Ubuntu Ubuntu=23.10
All of the following
ubuntu/strongswan<5.9.11-1ubuntu1.1
5.9.11-1ubuntu1.1
Ubuntu Ubuntu=23.10
All of the following
ubuntu/libstrongswan<5.9.8-3ubuntu4.1
5.9.8-3ubuntu4.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/strongswan<5.9.8-3ubuntu4.1
5.9.8-3ubuntu4.1
Ubuntu Ubuntu=23.04
All of the following
ubuntu/libstrongswan<5.9.5-2ubuntu2.2
5.9.5-2ubuntu2.2
Ubuntu Ubuntu=22.04
All of the following
ubuntu/strongswan<5.9.5-2ubuntu2.2
5.9.5-2ubuntu2.2
Ubuntu Ubuntu=22.04
All of the following
ubuntu/libstrongswan<5.8.2-1ubuntu3.6
5.8.2-1ubuntu3.6
Ubuntu Ubuntu=20.04
All of the following
ubuntu/strongswan<5.8.2-1ubuntu3.6
5.8.2-1ubuntu3.6
Ubuntu Ubuntu=20.04

Event History

Nov 20, 2023
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of USN-6488-1?

The severity of USN-6488-1 is significant due to the potential for denial of service and arbitrary code execution.

2

How do I fix USN-6488-1?

To fix USN-6488-1, update strongSwan and libstrongswan to the versions 5.9.11-1ubuntu1.1 or higher on your Ubuntu system.

3

Which versions of strongSwan are affected by USN-6488-1?

USN-6488-1 affects strongSwan versions up to 5.9.11-1ubuntu1.1 for Ubuntu 23.10, 23.04, and 22.04.

4

Which versions of libstrongswan are affected by USN-6488-1?

USN-6488-1 affects libstrongswan versions up to 5.9.11-1ubuntu1.1 for Ubuntu 23.10, 23.04, and 22.04.

5

Is there a known exploit for USN-6488-1?

Yes, USN-6488-1 can be exploited by a remote attacker to crash strongSwan or potentially execute arbitrary code.

Contact

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