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Check: WN12-SO-000061

Microsoft Windows Server 2012/2012 R2 Member Server STIG: WN12-SO-000061 (in versions v3 r7 through v2 r7)

Title

Services using Local System that use Negotiate when reverting to NTLM authentication must use the computer identity vs. authenticating anonymously. (Cat II impact)

Discussion

Services using Local System that use Negotiate when reverting to NTLM authentication may gain unauthorized access if allowed to authenticate anonymously vs. using the computer identity.

Check Content

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: UseMachineId Type: REG_DWORD Value: 1

Fix Text

Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> "Network security: Allow Local System to use computer identity for NTLM" to "Enabled".

Additional Identifiers

Rule ID: SV-225501r569185_rule

Vulnerability ID: V-225501

Group Title: SRG-OS-000114-GPOS-00059

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CCIs

CCIs tied to check.

Number	Definition
CCI-000778	The information system uniquely identifies an organization-defined list of specific and/or types of devices before establishing a local, remote, or network connection.

Controls

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

Number	Title
IA-3	Device Identification And Authentication