STIGQter STIGQter: STIG Summary: Tanium 7.x Security Technical Implementation Guide Version: 2 Release: 3 Benchmark Date: 02 Jul 2025:

The permissions on the Tanium Client directory must be restricted to only the SYSTEM account on all managed clients.

DISA Rule

SV-253811r997248_rule

Vulnerability Number

V-253811

Group Title

SRG-APP-000328

Rule Version

TANS-CL-000007

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

1. Using a web browser on a system that has connectivity to the Tanium application, access the Tanium application web UI and log on with multifactor authentication.

2. Click "Modules" on the top navigation banner.

3. Click "Interact".

4. In "Categories" section, select box for "Client Service Hardening".

5. In "Dashboard" section, select "Set Client Directory Permissions".

- The results will show a "Count" of clients' compliant and noncompliant hardening for the "Tanium Client Directory Permissions".
- Noncompliant clients will have a count other than "0" for "Not Restricted" or "Error: No Permissions".

6. Select each of the "Not Restricted" or "Error: No Permissions" statuses.

7. Select "Deploy Action".

8. In the "Deploy Action" dialog box, change the package to "Client Service Hardening - Set SYSTEM only permissions on the Tanium Client directory" as the package.

9. Configure the schedule to repeat at least every 12 hours for the requested action.

10. Under "Targeting Criteria", in the Action Group, select "All Computers" from the drop-down menu.

11. Click "Show preview to continue". Noncompliant systems will be displayed in the bottom.

12. Click "Deploy Action".

13. Verify settings.

14. Click "Show Client Status Details".

Check Contents

1. Using a web browser on a system that has connectivity to the Tanium application, access the Tanium application web user interface (UI) and log on with multifactor authentication.

2. Click "Administration" on the top navigation banner.

3. Under "Actions", select "Scheduled Actions".

4. Look for a scheduled action titled "Client Service Hardening - Set SYSTEM only permissions on the Tanium Client directory".

If a scheduled action titled "Client Service Hardening - Set SYSTEM only permissions on the Tanium Client directory" does not exist, this is a finding.

If the scheduled action exists, select it. If it is not approved (the "Approve" button at the top of the section will be displayed if not approved), this is a finding.

If the scheduled action exists and has been approved but does not disable the visibility of the client in Add-Remove Programs, this is a finding.

If the action is not configured to repeat at least every 12 hours, this is a finding.

If the scheduled action is not targeted at an "All Computers" Action Group, this is a finding.

Vulnerability Number

V-253811

Documentable

False

Rule Version

TANS-CL-000007

Severity Override Guidance

1. Using a web browser on a system that has connectivity to the Tanium application, access the Tanium application web user interface (UI) and log on with multifactor authentication.

2. Click "Administration" on the top navigation banner.

3. Under "Actions", select "Scheduled Actions".

4. Look for a scheduled action titled "Client Service Hardening - Set SYSTEM only permissions on the Tanium Client directory".

If a scheduled action titled "Client Service Hardening - Set SYSTEM only permissions on the Tanium Client directory" does not exist, this is a finding.

If the scheduled action exists, select it. If it is not approved (the "Approve" button at the top of the section will be displayed if not approved), this is a finding.

If the scheduled action exists and has been approved but does not disable the visibility of the client in Add-Remove Programs, this is a finding.

If the action is not configured to repeat at least every 12 hours, this is a finding.

If the scheduled action is not targeted at an "All Computers" Action Group, this is a finding.

Check Content Reference

M

Target Key

5476