STIGQter STIGQter: STIG Summary: Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide Version: 3 Release: 2 Benchmark Date: 04 May 2021:

The Kerberos service ticket maximum lifetime must be limited to 600 minutes or less.

DISA Rule

SV-226066r569184_rule

Vulnerability Number

V-226066

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

WN12-AC-000011-DC

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Configure the policy value in the Default Domain Policy for Computer Configuration -> Policies -> Windows Settings -> Security Settings -> Account Policies -> Kerberos Policy -> "Maximum lifetime for service ticket" to a maximum of 600 minutes, but not 0 which equates to "Ticket doesn't expire".

Check Contents

Verify the following is configured in the Default Domain Policy.

Open "Group Policy Management".
Navigate to "Group Policy Objects" in the Domain being reviewed (Forest > Domains > Domain).
Right click on the "Default Domain Policy".
Select Edit.
Navigate to Computer Configuration > Policies > Windows Settings > Security Settings > Account Policies > Kerberos Policy.

If the value for "Maximum lifetime for service ticket" is 0 or greater than 600 minutes, this is a finding.

Vulnerability Number

V-226066

Documentable

False

Rule Version

WN12-AC-000011-DC

Severity Override Guidance

Verify the following is configured in the Default Domain Policy.

Open "Group Policy Management".
Navigate to "Group Policy Objects" in the Domain being reviewed (Forest > Domains > Domain).
Right click on the "Default Domain Policy".
Select Edit.
Navigate to Computer Configuration > Policies > Windows Settings > Security Settings > Account Policies > Kerberos Policy.

If the value for "Maximum lifetime for service ticket" is 0 or greater than 600 minutes, this is a finding.

Check Content Reference

M

Target Key

4217

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