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Local machine policy must require signed scripts.


Overview

Finding ID Version Rule ID IA Controls Severity
V-33632 Exch-2-019 SV-44052r1_rule ECSC-1 Medium
Description
Scripts often provide a way for attackers to infiltrate a system, especially those downloaded from untrusted locations. By setting machine policy to prevent unauthorized script executions, unanticipated system impacts can be avoided. Failure to allow only signed remote scripts reduces the attack vector vulnerabilities from unsigned remote scripts.
STIG Date
Exchange 2010 Edge Transport Server STIG 2017-01-03

Details

Check Text ( C-41741r1_chk )
Open the Exchange Management Shell and enter the following command:

Get-ExecutionPolicy

If the value of 'LocalMachine' does not return a value of 'RemoteSigned', this is a finding.
Fix Text (F-37524r2_fix)
Open the Exchange Management Shell and enter the following command:

Set-ExecutionPolicy RemoteSigned