[USN-4718-1] fastd vulnerability
Leonidas S. Barbosa
leo.barbosa at canonical.com
Tue Feb 2 15:24:48 UTC 2021
Ubuntu Security Notice USN-4718-1
February 02, 2021
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.10
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
fastd could be made to denial of service it if received a specially crafted input.
- fastd: Fast and Secure Tunneling Daemon
It was discovered that fastd incorrectly handled certain packets.
An attacker could possibly use this issue to cause a denial of service.
The problem can be corrected by updating your system to the following
Ubuntu 18.04 LTS:
Ubuntu 16.04 LTS:
In general, a standard system update will make all the necessary changes.
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