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Hardened UNC paths must be defined to require mutual authentication and integrity for at least the \\*\SYSVOL and \\*\NETLOGON shares.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-250319 | WN10-CC-000050 | SV-250319r857185_rule | Medium |
| Description |
|---|
| Additional security requirements are applied to Universal Naming Convention (UNC) paths specified in Hardened UNC paths before allowing access to them. This aids in preventing tampering with or spoofing of connections to these paths. |
| STIG | Date |
|---|---|
| Microsoft Windows 10 Security Technical Implementation Guide | 2022-08-29 |
Details
| Check Text ( C-53754r857184_chk ) |
|---|
| This requirement is applicable to domain-joined systems. For standalone or nondomain-joined systems, this is NA. If the following registry values do not exist or are not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\Windows\NetworkProvider\HardenedPaths\ Value Name: \\*\NETLOGON Value Type: REG_SZ Value: RequireMutualAuthentication=1, RequireIntegrity=1 Value Name: \\*\SYSVOL Value Type: REG_SZ Value: RequireMutualAuthentication=1, RequireIntegrity=1 Additional entries would not be a finding. |
| Fix Text (F-53708r793297_fix) |
|---|
| Configure the policy value for Computer Configuration >> Administrative Templates >> Network >> Network Provider >> "Hardened UNC Paths" to "Enabled" with at least the following configured in "Hardened UNC Paths:" (click the "Show" button to display). Value Name: \\*\SYSVOL Value: RequireMutualAuthentication=1, RequireIntegrity=1 Value Name: \\*\NETLOGON Value: RequireMutualAuthentication=1, RequireIntegrity=1 |