Anonymous enumeration of shares must be restricted.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-1093 | WN12-SO-000052 | SV-52847r1_rule | ECSC-1 PRNK-1 | High |
| Description |
|---|
| Allowing anonymous logon users (null session connections) to list all account names and enumerate all shared resources can provide a map of potential points to attack the system. |
| STIG | Date |
|---|---|
| Windows Server 2012 / 2012 R2 Domain Controller Security Technical Implementation Guide | 2015-09-02 |
Details
| Check Text ( C-47164r2_chk ) |
|---|
| If the following registry value does not exist or is not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \System\CurrentControlSet\Control\Lsa\ Value Name: RestrictAnonymous Value Type: REG_DWORD Value: 1 |
| Fix Text (F-45773r1_fix) |
|---|
| Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Network access: Do not allow anonymous enumeration of SAM accounts and shares" to "Enabled". |