V-93081.rb

# encoding: UTF-8

control "V-93081" do
  title "Windows Server 2019 Perform volume maintenance tasks user right must
only be assigned to the Administrators group."
  desc  "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."
  desc  "rationale", ""
  desc  'check', "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)"
  desc  'fix', "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"
  impact 0.5
  tag 'severity': nil
  tag 'gtitle': 'SRG-OS-000324-GPOS-00125'
  tag 'gid': 'V-93081'
  tag 'rid': 'SV-103169r1_rule'
  tag 'stig_id': 'WN19-UR-000190'
  tag 'fix_id': 'F-99327r1_fix'
  tag 'cci': ["CCI-002235"]
  tag 'nist': ["AC-6 (10)", "Rev_4"]

   os_type = command('Test-Path "$env:windir\explorer.exe"').stdout.strip

  if os_type == 'False'
     describe 'This system is a Server Core Installation, and a manual check will need to be performed with command Secedit /Export /Areas User_Rights /cfg c:\\path\\filename.txt' do
      skip 'This system is a Server Core Installation, and a manual check will need to be performed with command Secedit /Export /Areas User_Rights /cfg c:\\path\\filename.txt'
     end
  else
    describe security_policy do
     its('SeManageVolumePrivilege') { should eq ['S-1-5-32-544'] }
  end
 end
end