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Disallowance of Trusted Locations on the network must be enforced.


Overview

Finding ID Version Rule ID IA Controls Severity
V-17520 DTOO134 - Word SV-33621r1_rule ECSC-1 Medium
Description
Files located in Trusted Locations and specified in the Trust Center are assumed to be safe. Content, code, and add-ins are allowed to load from Trusted Locations with minimal security and without prompting the user for permission. By default, users can specify Trusted Locations on network shares, or in other remote locations not under their direct control, by selecting the “Allow Trusted Locations on my network” (not recommended) check box in the Trusted Locations section of the Trust Center. If a dangerous file is opened from a trusted location, it will not be subject to typical security measures and could affect users' computers or data.
STIG Date
Microsoft Word 2010 2014-01-07

Details

Check Text ( C-34086r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Word 2010 -> Word Options -> Security -> Trust Center -> Trusted Locations “Allow Trusted Locations on the network” must be set to “Disabled”.

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

HKCU\Software\Policies\Microsoft\Office\14.0\word\security\trusted locations

Criteria: If the value AllowNetworkLocations is REG_DWORD = 0, this is not a finding.
Fix Text (F-29764r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Word 2010 -> Word Options -> Security -> Trust Center -> Trusted Locations “Allow Trusted Locations on the network” to “Disabled”.