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

The ability to display level 1 attachments must be disallowed.

DISA Rule

SV-53941r1_rule

Vulnerability Number

V-17671

Group Title

DTOO240 - Level 1 Attachments

Rule Version

DTOO240

Severity

CAT II

CCI(s)

• CCI-001662 - The information system takes organization-defined corrective action when organization-defined unacceptable mobile code is identified.

Weight

10

Fix Recommendation

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Security Form Settings -> Attachment Security "Display Level 1 attachments" to "Disabled".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Security Form Settings -> Attachment Security "Display Level 1 attachments" 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

Criteria: If the value ShowLevel1Attach is REG_DWORD = 0, this is not a finding.

Vulnerability Number

V-17671

Documentable

False

Rule Version

DTOO240

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Security Form Settings -> Attachment Security "Display Level 1 attachments" 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

Criteria: If the value ShowLevel1Attach is REG_DWORD = 0, this is not a finding.

Check Content Reference

M

Responsibility

Information Assurance Officer

Target Key

2482

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