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

Disallowance of trusted locations on the network must be enforced.

DISA Rule

SV-53724r1_rule

Vulnerability Number

V-17520

Group Title

DTOO134 - Trusted locations on computer

Rule Version

DTOO134

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 "Allow Trusted Locations on the network" to "Disabled".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Trusted Locations "Allow Trusted Locations on the network" is set to Disabled".

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 AllowNetworkLocations is REG_DWORD = 0, this is not a finding.

Vulnerability Number

V-17520

Documentable

False

Rule Version

DTOO134

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Trusted Locations "Allow Trusted Locations on the network" is set to Disabled".

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 AllowNetworkLocations is REG_DWORD = 0, this is not a finding.

Check Content Reference

M

Responsibility

Information Assurance Officer

Target Key

2478

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