InfoPath must be enforced to not use email forms from the Intranet security zone.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26618	DTOO294	SV-53385r1_rule		Medium

Description
InfoPath email forms can be designed by an internal attacker and sent over the local intranet, and users might fill out such forms and provide sensitive information to the attacker. By default, forms that originate from the local intranet can be opened.

STIG	Date
Microsoft InfoPath 2013 STIG	2018-04-03

Details

Check Text ( C-47630r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms from the Intranet security zone" must be set to "Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security Criteria: If the value EnableIntranetEMailForms is REG_DWORD = 0, this is not a finding.

Check Text ( C-47630r1_chk )

The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms from the Intranet security zone" must be set to "Enabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\InfoPath\security

Criteria: If the value EnableIntranetEMailForms is REG_DWORD = 0, this is not a finding.

Fix Text (F-46309r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2013 -> InfoPath e-mail forms "Disable e-mail forms from the Intranet security zone" to "Enabled".