STIGQter: STIG Summary: Microsoft Excel 2010 Version: 1 Release: 11 Benchmark Date: 27 Apr 2018:

All automatic loading from Trusted Locations must be disabled.

DISA Rule

SV-33447r1_rule

Vulnerability Number

V-17471

Group Title

DTOO133-Disable all trusted locations

Rule Version

DTOO133 - Excel

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 2010 -> Excel Options -> Security -> Trust Center -> Trusted Locations “Disable all trusted locations” to “Enabled”.

Check Contents

The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security -> Trust Center -> Trusted Locations “Disable all trusted locations” must be set to “Enabled”.

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

HKCU\Software\Policies\Microsoft\Office\14.0\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 - Excel

Severity Override Guidance

The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security -> Trust Center -> Trusted Locations “Disable all trusted locations” must be set to “Enabled”.

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

HKCU\Software\Policies\Microsoft\Office\14.0\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

2021

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