USN-4643-1: atftp vulnerabilities

24 November 2020

atftp could be made to crash or run programs if it received specially crafted network traffic.

Releases

Packages

  • atftp - Advanced TFTP Server and Client

Details

It was discovered that atftp's FTP server did not properly handler certain
input. An attacker could use this to to cause a denial of service (crash)
or possibly execute arbitrary code. (CVE-2019-11365)

It was discovered that atftp's FTP server did not make proper use of
mutexes when locking certain data structures. An attacker could use this to
cause a denial of service via a NULL pointer dereference. (CVE-2019-11366)

Update instructions

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

Ubuntu 16.04

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

Related notices