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Check: WN12-CC-000125

Microsoft Windows Server 2012/2012 R2 Member Server STIG: WN12-CC-000125 (in versions v3 r7 through v2 r7)

Title

The Windows Remote Management (WinRM) client must not use Digest authentication. (Cat II impact)

Discussion

Digest authentication is not as strong as other options and may be subject to man-in-the-middle attacks.

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: \Software\Policies\Microsoft\Windows\WinRM\Client\ Value Name: AllowDigest Type: REG_DWORD Value: 0

Fix Text

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Windows Remote Management (WinRM) -> WinRM Client -> "Disallow Digest authentication" to "Enabled".

Additional Identifiers

Rule ID: SV-225398r877395_rule

Vulnerability ID: V-225398

Group Title: SRG-OS-000125-GPOS-00065

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CCIs

CCIs tied to check.

Number	Definition
CCI-000877	The organization employs strong authenticators in the establishment of nonlocal maintenance and diagnostic sessions.

Controls

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

Number	Title
MA-4	Nonlocal Maintenance