Check: WN19-DC-000070
Microsoft Windows Server 2019 STIG:
WN19-DC-000070
(in versions v2 r9 through v1 r1)
Title
Windows Server 2019 permissions on the Active Directory data files must only allow System and Administrators access. (Cat I impact)
Discussion
Improper access permissions for directory data-related files could allow unauthorized users to read, modify, or delete directory data or audit trails.
Check Content
This applies to domain controllers. It is NA for other systems. Run "Regedit". Navigate to "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\NTDS\Parameters". Note the directory locations in the values for: Database log files path DSA Database file By default, they will be \Windows\NTDS. If the locations are different, the following will need to be run for each. Open "Command Prompt (Admin)". Navigate to the NTDS directory (\Windows\NTDS by default). Run "icacls *.*". If the permissions on each file are not as restrictive as the following, this is a finding: NT AUTHORITY\SYSTEM:(I)(F) BUILTIN\Administrators:(I)(F) (I) - permission inherited from parent container (F) - full access
Fix Text
Maintain the permissions on NTDS database and log files as follows: NT AUTHORITY\SYSTEM:(I)(F) BUILTIN\Administrators:(I)(F) (I) - permission inherited from parent container (F) - full access
Additional Identifiers
Rule ID: SV-205739r877392_rule
Vulnerability ID: V-205739
Group Title: SRG-OS-000324-GPOS-00125
Expert Comments
CCIs
| Number | Definition |
|---|---|
| CCI-002235 |
The information system prevents non-privileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures. |
Controls
| Number | Title |
|---|---|
| AC-6 (10) |
Prohibit Non-Privileged Users From Executing Privileged Functions |