The ability to run unsecure Office apps must be disabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-228526	DTOO412	SV-228526r508020_rule		Medium

Description
Unsecure apps for Office, which are apps that have web page or catalog locations that are not SSL-secured (https://), and/or are not in users' Internet zones may allow data to be transmitted/accessed via clear text to outside sources. By configuring this policy to be disabled, users will be prevented from transmitting/accessing data in a nonsecure manner.

STIG	Date
Microsoft Office System 2013 Security Technical Implementation Guide	2020-09-25

Details

Check Text ( C-30759r498856_chk )
Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2013 >> Security Settings >> Trust Center >> Trusted Catalogs "Allow Unsecure Apps and Catalogs" is set to "Disabled". Procedure: Use the Windows Registry Editor to navigate to the following hive: HKCU\Software\Policies\Microsoft\Office\15.0\wef\trustedcatalogs If the value 'requireserververification' is REG_DWORD = 1, this is not a finding.

Check Text ( C-30759r498856_chk )

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2013 >> Security Settings >> Trust Center >> Trusted Catalogs "Allow Unsecure Apps and Catalogs" is set to "Disabled".

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

HKCU\Software\Policies\Microsoft\Office\15.0\wef\trustedcatalogs

If the value 'requireserververification' is REG_DWORD = 1, this is not a finding.

Fix Text (F-30744r498857_fix)
Set the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2013 >> Security Settings >> Trust Center >> Trusted Catalogs "Allow Unsecure Apps and Catalogs" to "Disabled".