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Disabling sending form templates with the email forms must be configured.


Overview

Finding ID Version Rule ID IA Controls Severity
V-17667 DTOO168 - InfoPath SV-33639r1_rule Medium
Description
InfoPath allows users to attach form templates when sending e-mail forms. If users are able to open form templates included with e-mail forms, rather than using a cached version that is previously published, an attacker could send a malicious form template with the e-mail form in an attempt to gain access to sensitive information. Note: The form template is only opened directly if the form opens with a restricted security level. Otherwise the attachment is actually a link to the published location.
STIG Date
Microsoft InfoPath 2010 STIG 2018-04-03

Details

Check Text ( C-34102r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2010 -> InfoPath e-mail forms “Disable sending form template with e-mail forms” 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\deployment

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

Fix Text (F-29781r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft InfoPath 2010 -> InfoPath e-mail forms “Disable sending form template with e-mail forms” to “Enabled”.