[USN-6375-1] atftp vulnerability

Jorge Sancho Larraz jorge.sancho.larraz at canonical.com
Fri Sep 15 11:18:40 UTC 2023

Ubuntu Security Notice USN-6375-1
September 15, 2023

atftp vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.04
- Ubuntu 22.04 LTS


atftp could be made to crash if it received specially crafted network

Software Description:
- atftp: Advanced TFTP Server and Client


Florian Fainelli discovered that atftp did not properly manage requests
made to a non-existent file, which could lead to a crash. A remote
attacker could possibly use this issue to cause a denial of service.

Update instructions:

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

Ubuntu 23.04:
   atftpd                          0.8.0-3build0.23.04.1

Ubuntu 22.04 LTS:
   atftpd                          0.7.git20210915-4build1

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


Package Information:

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