Title

Files from the Internet zone must be opened in Protected View. (Cat II impact)

Discussion

This policy setting allows for determining if files downloaded from the Internet zone open in Protected View. If enabling this policy setting, files downloaded from the Internet zone do not open in Protected View. If disabling or not configuring this policy setting, files downloaded from the Internet zone open in Protected View.

Check Content

The policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security -> Trust Center -> Protected View “Do not open files from the Internet zone in Protected View” 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\protectedview Criteria: If the value DisableInternetFilesInPV is REG_DWORD = 0, this is not a finding.

Fix Text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Excel 2010 -> Excel Options -> Security -> Trust Center -> Protected View “Do not open files from the Internet zone in Protected View” to “Disabled".

Additional Identifiers

Rule ID: SV-33861r1_rule

Vulnerability ID: V-26614

Group Title: DTOO121 - Files from the Internet zone

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.