Configuration for file validation must be enforced.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26592	DTOO119 - Excel	SV-33874r1_rule	ECSC-1	Medium

Description
Office Binary Documents (97-2003) are checked to see if they conform against the file format schema before they are opened.

STIG	Date
Microsoft Excel 2010	2014-04-03

Details

Check Text ( C-34191r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security “Turn off file validation” must be set to “Disabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\14.0\excel\security\filevalidation Criteria: If the value EnableOnLoad is REG_DWORD = 1, this is not a finding.

Check Text ( C-34191r1_chk )

The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security “Turn off file validation” must be set to “Disabled".

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

HKCU\Software\Policies\Microsoft\Office\14.0\excel\security\filevalidation

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

Fix Text (F-29884r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security “Turn off file validation” to “Disabled".