STIGQter: STIG Summary: Microsoft Outlook 2013 STIG Version: 1 Release: 13 Benchmark Date: 26 Oct 2018:

Trusted add-ins behavior for email must be configured.

DISA Rule

SV-54002r2_rule

Vulnerability Number

V-17575

Group Title

DTOO256 - Trusted Add-Ins Security

Rule Version

DTOO256

Severity

CAT II

CCI(s)

• CCI-000366 - The organization implements the security configuration settings.

Weight

10

Fix Recommendation

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Security Form Settings -> Programmatic Security -> Trusted Add-ins "Configure trusted add-ins" to "Disabled".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Security Form Settings -> Programmatic Security -> Trusted Add-ins "Configure trusted add-ins" is set to "Disabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\Outlook\security\trustedaddins

In some reported configurations, the registry key remains after disabling the setting but the value is empty.

If the registry key exists, with entries, this is a finding.
If the registry key exists, but with no entries, this is not a finding.

Vulnerability Number

V-17575

Documentable

False

Rule Version

DTOO256

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Security Form Settings -> Programmatic Security -> Trusted Add-ins "Configure trusted add-ins" is set to "Disabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\Outlook\security\trustedaddins

In some reported configurations, the registry key remains after disabling the setting but the value is empty.

If the registry key exists, with entries, this is a finding.
If the registry key exists, but with no entries, this is not a finding.

Check Content Reference

M

Responsibility

Information Assurance Officer

Target Key

2482

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