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 | 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-73393r1049550_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 |