Title

Unauthorized accounts must not have the Access Credential Manager as a trusted caller user right. (Cat II impact)

Discussion

Inappropriate granting of user rights can provide system, administrative, and other high level capabilities. Accounts with the "Access Credential Manager as a trusted caller" user right may be able to retrieve the credentials of other accounts from Credential Manager.

Check Content

Analyze the system using the Security Configuration and Analysis snap-in. (See "Performing Analysis with the Security Configuration and Analysis Snap-in" in the STIG Overview document.) Expand the Security Configuration and Analysis tree view. Navigate to Local Policies -> User Rights Assignment. If any accounts or groups are granted the "Access Credential Manager as a trusted caller" user right, this is a finding.

Fix Text

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> User Rights Assignment -> "Access Credential Manager as a trusted caller" to be defined but containing no entries (blank).

Additional Identifiers

Rule ID: SV-48513r2_rule

Vulnerability ID: V-26469

Group Title: Access Credential Manager as a trusted caller

Expert Comments

CCIs tied to check.

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