1.251 WN16-UC-000030

Information

Zone information must be preserved when saving attachments.

GROUP ID: V-225069
RULE ID: SV-225069r991589

Attachments from outside sources may contain malicious code. Preserving zone of origin (Internet, intranet, local, restricted) information on file attachments allows Windows to determine risk.

Solution

The default behavior is for Windows to mark file attachments with their zone information.

If this needs to be corrected, configure the policy value for

User Configuration >> Administrative Templates >> Windows Components >> Attachment Manager >> 'Do not preserve zone information in file attachments'

to 'Not Configured' or 'Disabled'.

See Also

https://workbench.cisecurity.org/benchmarks/23093

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-6b.

Plugin: Windows

Control ID: a3f59188d47664b179d758a66a1a80c86974e157a50a7d8eb62b1d309cceb3f3