Finding ID | Version | Rule ID | IA Controls | Severity |
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V-17778 | DTOO267 | SV-54031r1_rule | ECSC-1 | Medium |
Description |
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This policy setting controls how Outlook retrieves Certificate Revocation Lists to verify the validity of certificates. Certificate revocation lists (CRLs) are lists of digital certificates that have been revoked by their controlling certificate authorities (CAs), typically because the certificates were issued improperly or their associated private keys were compromised. |
STIG | Date |
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Microsoft Outlook 2013 STIG | 2014-01-06 |
Check Text ( C-47979r1_chk ) |
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Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Cryptography -> Signature Status dialog box "Retrieving CRLs (Certificate Revocation Lists)" is "Enabled (When online always retrieve the CRL)". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\outlook\security Criteria: If the value UseCRLChasing is REG_DWORD = 1, this is not a finding. |
Fix Text (F-46916r1_fix) |
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Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Cryptography -> Signature Status dialog box "Retrieving CRLs (Certificate Revocation Lists)" to "Enabled (When online always retrieve the CRL)". |