The vulnerability affects all Sudo versions prior to the latest released version 1.8.28, which has been released today. The vulnerability can be exploited by an attacker to run commands as root just by specifying the user ID -1 or 4294967295. If you use Linux, you are still highly recommended to update the latest version as soon as it is available, as well as the latest update by various Linux distributions to their users. The attack works in a specific use case scenario of the.
Source: https://thehackernews.com/2019/10/linux-sudo-run-as-root-flaw.html