Ubuntu Security Notice USN-6375-1 – Torchsec
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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
Summary:
atftp could be made to crash if it received specially crafted network
traffic.
Software Description:
- atftp: Advanced TFTP Server and Client
Details:
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.
References:
https://ubuntu.com/security/notices/USN-6375-1
https://launchpad.net/bugs/1989816
Package Information:
https://launchpad.net/ubuntu/+source/atftp/0.8.0-3build0.23.04.1
https://launchpad.net/ubuntu/+source/atftp/0.7.git20210915-4build1
Gloss