Title

Hide mechanism for removing Zone information from file attachments. (Cat II impact)

Discussion

This check verifies that users cannot manually remove zone information from saved file attachments.

Check Content

If the following registry value doesn’t exist or is not configured as specified, this is a finding: Registry Hive: HKEY_Current_User Subkey: \Software\Microsoft\Windows\CurrentVersion\Policies\Attachments\ Value Name: HideZoneInfoOnProperties Type: REG_DWORD Value: 1

Fix Text

Configure the policy value for User Configuration -> Administrative Templates -> Windows Components -> Attachment Manager -> “Hide mechanisms to remove zone information” to “Enabled”.

Additional Identifiers

Rule ID: SV-29756r1_rule

Vulnerability ID: V-14269

Group Title: Attachment Mgr - Hide Mech to Remove Zone Info

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.