STIGQter: STIG Summary: Microsoft Excel 2013 STIG Version: 1 Release: 7 Benchmark Date: 27 Apr 2018:

All automatic loading from trusted locations must be disabled.

DISA Rule

SV-53723r1_rule

Vulnerability Number

V-17471

Group Title

DTOO133-Disable all trusted locations

Rule Version

DTOO133

Severity

CAT II

CCI(s)

• CCI-001170 - The information system prevents the automatic execution of mobile code in organization-defined software applications.

Weight

10

Fix Recommendation

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Trusted Locations "Disable all trusted locations" to "Enabled".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Trusted Locations "Disable all trusted locations" is set to Enabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\excel\security\trusted locations

Criteria: If the value AllLocationsDisabled is REG_DWORD = 1, this is not a finding.

Vulnerability Number

V-17471

Documentable

False

Rule Version

DTOO133

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Trusted Locations "Disable all trusted locations" is set to Enabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\excel\security\trusted locations

Criteria: If the value AllLocationsDisabled is REG_DWORD = 1, this is not a finding.

Check Content Reference

M

Responsibility

Information Assurance Officer

Target Key

2478

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