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

Document behavior if file validation fails must be set.

DISA Rule

SV-53834r1_rule

Vulnerability Number

V-26616

Group Title

DTOO292 - Set document behavior

Rule Version

DTOO292

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 -> Protected View "Set document behavior if file validation fails" to "Enabled: Open in Protected View" and Unchecked for "Do not allow edit".

Check Contents

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Protected View "Set document behavior if file validation fails" is set to "Enabled: Open in Protected View" and Unchecked for "Do not allow edit".

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

If both
HKCU\Software\Policies\Microsoft\Office\15.0\excel\security\filevalidation\OpenInProtectedView is set to REG_DWORD = 1 and HKCU\Software\Policies\Microsoft\Office\15.0\excel\security\filevalidation\DisableEditFromPV is set to REG_DWORD = 1, this is not a finding.

If either, or both keys, is not set to REG_DWORD = 1, this is a finding.

Vulnerability Number

V-26616

Documentable

False

Rule Version

DTOO292

Severity Override Guidance

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2013 -> Excel Options -> Security -> Trust Center -> Protected View "Set document behavior if file validation fails" is set to "Enabled: Open in Protected View" and Unchecked for "Do not allow edit".

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

If both
HKCU\Software\Policies\Microsoft\Office\15.0\excel\security\filevalidation\OpenInProtectedView is set to REG_DWORD = 1 and HKCU\Software\Policies\Microsoft\Office\15.0\excel\security\filevalidation\DisableEditFromPV is set to REG_DWORD = 1, this is not a finding.

If either, or both keys, is not set to REG_DWORD = 1, this is a finding.

Check Content Reference

M

Responsibility

Information Assurance Officer

Target Key

2478

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