In Sudo through 1.8.29, the fact that a user has been...
Moderate severity
Unreviewed
Published
May 24, 2022
to the GitHub Advisory Database
•
Updated Mar 30, 2024
Description
Published by the National Vulnerability Database
Dec 19, 2019
Published to the GitHub Advisory Database
May 24, 2022
Last updated
Mar 30, 2024
In Sudo through 1.8.29, the fact that a user has been blocked (e.g., by using the ! character in the shadow file instead of a password hash) is not considered, allowing an attacker (who has access to a Runas ALL sudoer account) to impersonate any blocked user.
References