Access to Tanium logs on each endpoint must be restricted by permissions.

An XCCDF Rule

Description

<VulnDiscussion>For the Tanium Client software to run without impact from external negligent or malicious changes, the permissions on the Tanium log files and their directory must be restricted. Tanium is deployed with a Client Hardening Solution. This solution, when applied, will ensure directory permissions are in place.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>

ID: SV-93285r1_rule
Severity: Medium
References: CCI-000163
Updated: about 1 year ago

Using a web browser on a system that has connectivity to Tanium, access the Tanium web UI and log on with CAC.

On the Dashboard, select "Client Service Hardening".

Select the "Set Client Directory Permissions".
Tanium will parse the script and return a row for "Restricted" and a row for "Not Restricted", with their respective client counts.

Click on the "Not Restricted" row.

Select "Deploy Action".

In the "Deploy Action" dialog box, the package "Client Service Hardening - Set SYSTEM only permissions on Tanium Client directory" will be selected.

The clients that have their Tanium Client directory "Not Restricted" will be displayed in the bottom window.

Choose a schedule to deploy the hardening.

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

Click on "Deploy Action".

Verify settings.

Click on "Show Client Status Details".

Access to Tanium logs on each endpoint must be restricted by permissions.

Description

Remediation - Manual Procedure