|Finding ID||Version||Rule ID||IA Controls||Severity|
|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 organization requires the user to re-authenticate when using the "sudo" command. If the value is set to an integer less than 0, the user's time stamp will not expire and the user will not have to re-authenticate for privileged actions until the user's session is terminated.|
|SUSE Linux Enterprise Server 15 Security Technical Implementation Guide||2022-12-07|
|Check Text ( C-38066r861107_chk )|
| Verify the operating system requires re-authentication when using the "sudo" command to elevate privileges. |
> sudo grep -ir 'timestamp_timeout' /etc/sudoers /etc/sudoers.d
If conflicting results are returned, this is a finding.
If "timestamp_timeout" is set to a negative number, is commented out, or no results are returned, this is a finding.
|Fix Text (F-38029r618904_fix)|
| Configure the "sudo" command to require re-authentication. |
Edit the /etc/sudoers file:
> sudo visudo
Add or modify the following line:
Note: The "[value]" must be a number that is greater than or equal to "0".