A form that is digitally signed must be displayed with a warning.

From Microsoft InfoPath 2010 STIG

Part of DTOO297 - A form is digitally signed

Associated with: CCI-001749

SV-34221r1_rule A form that is digitally signed must be displayed with a warning.

Vulnerability discussion

This setting controls whether the user sees a dialog box when opening Microsoft InfoPath forms containing digitally signed content. By default, InfoPath shows the user a warning message when the form contains a digital signature.

Check content

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2010 -> Security “Display a warning that a form is digitally signed” must be set to “Enabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\14.0\infopath\security Criteria: If the value SignatureWarning is REG_DWORD = 1, this is not a finding.

Fix text

Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2010 -> Security “Display a warning that a form is digitally signed” to “Enabled”.

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