AlmaLinux OS 9 must require reauthentication when using the "sudo" command.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-269362 | ALMA-09-032250 | SV-269362r1050245_rule | CCI-002234 | medium |
| Description | ||||
| Without re-authentication, users may access resources or perform tasks for which they do not have authorization. When operating systems provide the capability to escalate a functional capability, it is critical the user re-authenticate. | ||||
| STIG | Date | |||
| CloudLinux AlmaLinux OS 9 Security Technical Implementation Guide | 2025-05-22 | |||
Details
Check Text (C-269362r1050245_chk)
Verify AlmaLinux OS 9 requires reauthentication when using the "sudo" command to elevate privileges with the following command:
$ grep timestamp_timeout /etc/sudoers /etc/sudoers.d/*
/etc/sudoers.d/01_stig:Defaults timestamp_timeout=0
If "timestamp_timeout" is set to a negative number, is commented out, conflicting results or no results are returned, this is a finding.
Fix Text (F-73294r1049551_fix)
Configure AlmaLinux OS 9 to reauthenticate "sudo" commands after the specified timeout:
Add the following line to "/etc/sudoers" or a file within "/etc/sudoers.d/":
Defaults timestamp_timeout=0