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

Action to demote an EMail Level 1 attachment to Level 2 must be configured.

DISA Rule

SV-53954r1_rule

Vulnerability Number

V-17569

Group Title

DTOO241 - Demote Attachments to Level 2

Rule Version

DTOO241

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 "Allow users to demote attachments to Level 2" to "Disabled".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Security Form Settings -> Attachment Security "Allow users to demote attachments to Level 2" 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 AllowUsersToLowerAttachments is REG_DWORD = 0, this is not a finding.

Vulnerability Number

V-17569

Documentable

False

Rule Version

DTOO241

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Security -> Security Form Settings -> Attachment Security "Allow users to demote attachments to Level 2" 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 AllowUsersToLowerAttachments is REG_DWORD = 0, this is not a finding.

Check Content Reference

M

Responsibility

Information Assurance Officer

Target Key

2482

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