USN-6035-1: KAuth vulnerability

Publication date

20 April 2023

Overview

KAuth could be made to crash or run programs if it received specially crafted input.


Packages

  • kauth - Abstraction to system policy and authentication features

Details

It was discovered that KAuth incorrectly handled some configuration parameters
with specially crafted arbitrary types. An attacker could possibly use this
issue to cause a denial of service, or possibly execute arbitrary code.

It was discovered that KAuth incorrectly handled some configuration parameters
with specially crafted arbitrary types. An attacker could possibly use this
issue to cause a denial of service, or possibly execute arbitrary code.

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
18.04 LTS bionic libkf5auth-data –  5.44.0-0ubuntu1+esm1  
libkf5auth5 –  5.44.0-0ubuntu1+esm1  
16.04 LTS xenial libkf5auth-data –  5.18.0-0ubuntu2+esm1  
libkf5auth5 –  5.18.0-0ubuntu2+esm1  

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