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The Enhanced Mitigation Experience Toolkit (EMET) system-wide Address Space Layout Randomization (ASLR) must be enabled and configured to Application Opt In.


Overview

Finding ID Version Rule ID IA Controls Severity
WN12-CC-000078 WN12-CC-000078 WN12-CC-000078_rule Medium
Description
Attackers are constantly looking for vulnerabilities in systems and applications. The Enhanced Mitigation Experience Toolkit can enable several mechanisms, such as Data Execution Prevention (DEP), Address Space Layout Randomization (ASLR), and Structured Exception Handler Overwrite Protection (SEHOP) on the system and applications, adding additional levels of protection.
STIG Date
Microsoft Windows Server 2012 Domain Controller Security Technical Implementation Guide 2013-07-25

Details

Check Text ( C-WN12-CC-000078_chk )
If the following registry value does not exist or is not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Policies\Microsoft\EMET\SysSettings\

Value Name: ASLR

Type: REG_DWORD
Value: 3
Fix Text (F-WN12-CC-000078_fix)
Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> EMET -> "System ASLR" to "Enabled" with "Application Opt-in" selected.

The Enhanced Mitigation Experience Toolkit must be installed on the system and the administrative template files added to make this setting available.