Title

InfoPath must be enforced to not use email forms from the Intranet security zone. (Cat II impact)

Discussion

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.

Check Content

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

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".

Additional Identifiers

Rule ID: SV-53385r1_rule

Vulnerability ID: V-26618

Group Title: DTOO294 - E-mail forms from the Intranet

Expert Comments

CCIs tied to check.

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