Check: O365-WD-000019
Microsoft Office 365 ProPlus STIG:
O365-WD-000019
(in versions v2 r10 through v1 r2)
Title
File validation in Word must be enabled. (Cat II impact)
Discussion
This policy setting allows the file validation feature to be turned off. If this policy setting is enabled, file validation will be turned off. If this policy setting is disabled or not configured, file validation will be turned on. Office Binary Documents (97-2003) are checked to see if they conform to the file format schema before they are opened.
Check Content
Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Word 2016 >> Word Options >> Security >> Turn off file validation is set to "Disabled". Use the Windows Registry Editor to navigate to the following key: HKCU\software\policies\microsoft\office\16.0\word\security\filevalidation If the value for enableonload is REG_DWORD = 1, this is not a finding.
Fix Text
Set policy value for User Configuration >> Administrative Templates >> Microsoft Word 2016 >> Word Options >> Security >> Turn off file validation to "Disabled".
Additional Identifiers
Rule ID: SV-223418r879573_rule
Vulnerability ID: V-223418
Group Title: SRG-APP-000112
Expert Comments
CCIs
Number | Definition |
---|---|
CCI-001695 |
The information system prevents the execution of organization-defined unacceptable mobile code. |
Controls
Number | Title |
---|---|
SC-18 (3) |
Prevent Downloading / Execution |