Scripts in One-Off Outlook forms must be disallowed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17562	DTOO246 - Outlook	SV-33586r1_rule	ECSC-1	Medium

Description
Malicious code can be included within Outlook forms, and such code could be executed when users open the form. By default, Outlook does not run scripts in forms in which the script and the layout are contained within the message.

STIG	Date
Microsoft Outlook 2010	2014-10-03

Details

Check Text ( C-34046r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2010 -> Security -> Security Form Settings -> Custom Form Security “Allow scripts in one-off Outlook forms” must be set to “Disabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\14.0\outlook\security Criteria: If the value EnableOneOffFormScripts is REG_DWORD = 0, this is not a finding.

Check Text ( C-34046r1_chk )

The policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2010 -> Security -> Security Form Settings -> Custom Form Security “Allow scripts in one-off Outlook forms” must be set to “Disabled”.

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

HKCU\Software\Policies\Microsoft\Office\14.0\outlook\security

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

Fix Text (F-29729r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2010 -> Security -> Security Form Settings -> Custom Form Security “Allow scripts in one-off Outlook forms” to “Disabled”.