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USN-4643-1: atftp vulnerabilities

24 November 2020

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

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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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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.

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