1. Ubuntu Security Notices
  2. USN-4718-1

USN-4718-1: fastd vulnerability

Publication date

2 February 2021

Overview

fastd could be made to denial of service it if received a specially crafted input.

Releases

Packages

  • fastd - Fast and Secure Tunneling Daemon

Details

It was discovered that fastd incorrectly handled certain packets.
An attacker could possibly use this issue to cause a denial of service.

It was discovered that fastd incorrectly handled certain packets.
An attacker could possibly use this issue to cause a denial of service.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.10 groovy fastd –  19-3ubuntu0.1
18.04 bionic fastd –  18-3ubuntu0.18.04.1
16.04 xenial fastd –  17-4ubuntu0.1

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References

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