Vulnerability Discussion

Inappropriately granting user rights provides system, administrative, and other high-level capabilities.

Accounts with the "Allow log on through Remote Desktop Services" user right can access a system through Remote Desktop.

Check

This applies to domain controllers, it is not applicable for other systems.

Verify the effective setting in Local Group Policy Editor.

Run gpedit.msc.

Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment.

If any accounts or groups other than the following are granted the "Allow log on through Remote Desktop Services" user right, this is a finding:
- Administrators.

For server core installations, run the following command:

Secedit /Export /Areas User_Rights /cfg c:\path\filename.txt

Review the text file.

If any SIDs other than the following are granted the "SeRemoteInteractiveLogonRight" user right, this is a finding.

S-1-5-32-544 (Administrators)

Fix

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> Allow log on through Remote Desktop Services to include only the following accounts or groups:
- Administrators.