STIGQter STIGQter: STIG Summary: Microsoft Outlook 2016 Security Technical Implementation Guide Version: 2 Release: 1 Benchmark Date: 23 Oct 2020:

Level of calendar details that a user can publish must be restricted.

DISA Rule

SV-228431r508021_rule

Vulnerability Number

V-228431

Group Title

SRG-APP-000516

Rule Version

DTOO218

Severity

CAT II

CCI(s)

Weight

10

Fix Recommendation

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Outlook Options -> Preferences -> Calendar Options -> Office.com Sharing Service "Restrict level of calendar details users can publish" to "Enabled (Disables 'Full details' and 'Limited details')".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Outlook Options -> Preferences -> Calendar Options -> Office.com Sharing Service "Restrict level of calendar details users can publish" is set to "Enabled (Disables 'Full details' and 'Limited details')".

Procedure: Use the Windows Registry Editor to navigate to the following key:

HKCU\Software\Policies\Microsoft\Office\16.0\outlook\options\pubcal

Criteria: If the value PublishCalendarDetailsPolicy is REG_DWORD = 4000 (hex) or 16384 (Decimal), this is not a finding.

Vulnerability Number

V-228431

Documentable

False

Rule Version

DTOO218

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2016 -> Outlook Options -> Preferences -> Calendar Options -> Office.com Sharing Service "Restrict level of calendar details users can publish" is set to "Enabled (Disables 'Full details' and 'Limited details')".

Procedure: Use the Windows Registry Editor to navigate to the following key:

HKCU\Software\Policies\Microsoft\Office\16.0\outlook\options\pubcal

Criteria: If the value PublishCalendarDetailsPolicy is REG_DWORD = 4000 (hex) or 16384 (Decimal), this is not a finding.

Check Content Reference

M

Target Key

4224

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