Title

Windows Server 2019 Perform volume maintenance tasks user right must only be assigned to the Administrators group. (Cat II impact)

Discussion

Inappropriate granting of user rights can provide system, administrative, and other high-level capabilities. Accounts with the "Perform volume maintenance tasks" user right can manage volume and disk configurations. This could be used to delete volumes, resulting in data loss or a denial of service.

Check Content

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 "Perform volume maintenance tasks" 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 "SeManageVolumePrivilege" user right, this is a finding: S-1-5-32-544 (Administrators)

Fix Text

Configure the policy value for Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment >> "Perform volume maintenance tasks" to include only the following accounts or groups: - Administrators

Additional Identifiers

Rule ID: SV-205765r958726_rule

Vulnerability ID: V-205765

Group Title: SRG-OS-000324-GPOS-00125

Expert Comments

CCIs tied to check.

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