USN-5108-1: libntlm vulnerability

Publication date

8 October 2021

Overview

libntlm could be made to crash or possibly execute arbitrary code.


Packages

  • libntlm - NTLM authentication library

Details

It was discovered that Libntlm incorrectly handled specially crafted NTML
requests. An attacker could possibly use this issue to cause a denial of
service or another unspecified impact.

It was discovered that Libntlm incorrectly handled specially crafted NTML
requests. An attacker could possibly use this issue to cause a denial of
service or another unspecified impact.

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
20.04 focal libntlm0 –  1.5-2ubuntu0.1
18.04 bionic libntlm0 –  1.4-8ubuntu0.1

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.


Have additional questions?

Talk to a member of the team ›