Title

The application must enforce access restrictions associated with changes to application configuration. (Cat II impact)

Discussion

Failure to provide logical access restrictions associated with changes to application configuration may have significant effects on the overall security of the system. When dealing with access restrictions pertaining to change control, any changes to the hardware, software, and/or firmware components of the information system and/or application can have significant effects on the overall security of the system. Accordingly, only qualified and authorized individuals should be allowed to obtain access to application components to initiate changes, including upgrades and modifications. Logical access restrictions include, for example, controls that restrict access to workflow automation, media libraries, abstract layers (e.g., changes implemented into third-party interfaces rather than directly into information systems), and change windows (e.g., changes occur only during specified times, making unauthorized changes easy to discover).

Check Content

Consult with the Tanium system administrator to review the documented list of Tanium administrators. Review the administrators' respective approved roles as the correlated LDAP security group for the User Roles. If the documentation does not reflect a granular, least-privileged-access approach to the LDAP Groups/Tanium Roles assignment, this is a finding.

Fix Text

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 Permissions, select "Users". 4. Analyze the users configured in the Tanium interface. 5. Determine least privileged access required for each user to perform their respective duties. 6. Move users to the appropriate LDAP security group to ensure the user is synced to the appropriate Tanium User Role. 7. If the appropriate LDAP security groups are not already configured, create the groups and add the appropriate users. 8. Ensure LDAP sync repopulates the Tanium users' associated Roles accordingly.

Additional Identifiers

Rule ID: SV-253796r997235_rule

Vulnerability ID: V-253796

Group Title: SRG-APP-000380

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.