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Check: WN19-DC-000391

Microsoft Windows Server 2019 STIG: WN19-DC-000391 (in version v3 r3)

Title

Windows Server 2019 must be configured for certificate-based authentication for domain controllers. (Cat II impact)

Discussion

Active Directory domain services elevation of privilege vulnerability could allow a user rights to the system, such as administrative and other high-level capabilities.

Check Content

This applies to domain controllers. This is not applicable for member servers. 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\Services\Kdc Value Name: StrongCertificateBindingEnforcement Value Type: REG_DWORD Value: 0x00000001 (1) or 0x00000002 (2)

Fix Text

Configure the registry value. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: SYSTEM\CurrentControlSet\Services\Kdc Value Name: StrongCertificateBindingEnforcement Value Type: REG_DWORD Value: 0x00000001 (1) or 0x00000002 (2)

Additional Identifiers

Rule ID: SV-271428r1059563_rule

Vulnerability ID: V-271428

Group Title: SRG-OS-000080-GPOS-00048

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000213	Enforce approved authorizations for logical access to information and system resources in accordance with applicable access control policies.

Controls

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

Number	Title
AC-3	Access Enforcement