STIGQter: STIG Summary: Windows 10 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

The DoD Interoperability Root CA cross-certificates must be installed in the Untrusted Certificates Store on unclassified systems.

DISA Rule

SV-220905r569314_rule

Vulnerability Number

V-220905

Group Title

SRG-OS-000066-GPOS-00034

Rule Version

WN10-PK-000015

Severity

CAT II

CCI(s)

• CCI-000185 - The information system, for PKI-based authentication, validates certifications by constructing and verifying a certification path to an accepted trust anchor including checking certificate status information.
• CCI-002470 - The information system only allows the use of organization-defined certificate authorities for verification of the establishment of protected sessions.

Weight

10

Fix Recommendation

Install the DoD Interoperability Root CA cross-certificates on unclassified systems.

Issued To - Issued By - Thumbprint
DoD Root CA 2 - DoD Interoperability Root CA 1 - A8C27332CCB4CA49554CE55D34062A7DD2850C02
DoD Root CA 3 - DoD Interoperability Root CA 2 - AC06108CA348CC03B53795C64BF84403C1DBD341

The certificates can be installed using the InstallRoot tool. The tool and user guide are available on Cyber Exchange at https://cyber.mil/pki-pke/tools-configuration-files.

Check Contents

Verify the DoD Interoperability cross-certificates are installed on unclassified systems as Untrusted Certificates.

Run "PowerShell" as an administrator.

Execute the following command:

Get-ChildItem -Path Cert:Localmachine\disallowed | Where {$_.Issuer -Like "*DoD Interoperability*" -and $_.Subject -Like "*DoD*"} | FL Subject, Issuer, Thumbprint, NotAfter

If the following certificate "Subject", "Issuer", and "Thumbprint", information is not displayed, this is a finding.

Subject: CN=DoD Root CA 3, OU=PKI, OU=DoD, O=U.S. Government, C=US
Issuer: CN=DoD Interoperability Root CA 2, OU=PKI, OU=DoD, O=U.S. Government, C=US
Thumbprint: AC06108CA348CC03B53795C64BF84403C1DBD341
NotAfter: 1/22/2022

Subject: CN=DoD Root CA 2, OU=PKI, OU=DoD, O=U.S. Government, C=US
Issuer: CN=DoD Interoperability Root CA 1, OU=PKI, OU=DoD, O=U.S. Government, C=US
Thumbprint: A8C27332CCB4CA49554CE55D34062A7DD2850C02
NotAfter: 8/26/2022

Alternately use the Certificates MMC snap-in:

Run "MMC".

Select "File", "Add/Remove Snap-in".

Select "Certificates", click "Add".

Select "Computer account", click "Next".

Select "Local computer: (the computer this console is running on)", click "Finish".

Click "OK".

Expand "Certificates" and navigate to "Untrusted Certificates >> Certificates".

For each certificate with "DoD Root CA…" under "Issued To" and "DoD Interoperability Root CA…" under "Issued By":

Right-click on the certificate and select "Open".

Select the "Details" Tab.

Scroll to the bottom and select "Thumbprint".

If the certificates below are not listed or the value for the "Thumbprint" field is not as noted, this is a finding.

Issued To: DoD Root CA 2
Issued By: DoD Interoperability Root CA 1
Thumbprint: A8C27332CCB4CA49554CE55D34062A7DD2850C02
Valid to: Friday, August 26, 2022

Issued To: DoD Root CA 3
Issued By: DoD Interoperability Root CA 2
Thumbprint: AC06108CA348CC03B53795C64BF84403C1DBD341
Valid to: Saturday, January 22, 2022

Vulnerability Number

V-220905

Documentable

False

Rule Version

WN10-PK-000015

Severity Override Guidance

Verify the DoD Interoperability cross-certificates are installed on unclassified systems as Untrusted Certificates.

Run "PowerShell" as an administrator.

Execute the following command:

Get-ChildItem -Path Cert:Localmachine\disallowed | Where {$_.Issuer -Like "*DoD Interoperability*" -and $_.Subject -Like "*DoD*"} | FL Subject, Issuer, Thumbprint, NotAfter

If the following certificate "Subject", "Issuer", and "Thumbprint", information is not displayed, this is a finding.

Subject: CN=DoD Root CA 3, OU=PKI, OU=DoD, O=U.S. Government, C=US
Issuer: CN=DoD Interoperability Root CA 2, OU=PKI, OU=DoD, O=U.S. Government, C=US
Thumbprint: AC06108CA348CC03B53795C64BF84403C1DBD341
NotAfter: 1/22/2022

Subject: CN=DoD Root CA 2, OU=PKI, OU=DoD, O=U.S. Government, C=US
Issuer: CN=DoD Interoperability Root CA 1, OU=PKI, OU=DoD, O=U.S. Government, C=US
Thumbprint: A8C27332CCB4CA49554CE55D34062A7DD2850C02
NotAfter: 8/26/2022

Alternately use the Certificates MMC snap-in:

Run "MMC".

Select "File", "Add/Remove Snap-in".

Select "Certificates", click "Add".

Select "Computer account", click "Next".

Select "Local computer: (the computer this console is running on)", click "Finish".

Click "OK".

Expand "Certificates" and navigate to "Untrusted Certificates >> Certificates".

For each certificate with "DoD Root CA…" under "Issued To" and "DoD Interoperability Root CA…" under "Issued By":

Right-click on the certificate and select "Open".

Select the "Details" Tab.

Scroll to the bottom and select "Thumbprint".

If the certificates below are not listed or the value for the "Thumbprint" field is not as noted, this is a finding.

Issued To: DoD Root CA 2
Issued By: DoD Interoperability Root CA 1
Thumbprint: A8C27332CCB4CA49554CE55D34062A7DD2850C02
Valid to: Friday, August 26, 2022

Issued To: DoD Root CA 3
Issued By: DoD Interoperability Root CA 2
Thumbprint: AC06108CA348CC03B53795C64BF84403C1DBD341
Valid to: Saturday, January 22, 2022

Check Content Reference

M

Target Key

4072

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