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

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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
V-36701	WINCC-000078	SV-49948r3_rule	ECVP-1	unknown

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
Windows 7 Security Technical Implementation Guide	2014-04-02

Details

Check Text ( C-45797r1_chk )
If the following registry value does not exist or is not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\EMET\SysSettings\ Value Name: ASLR Type: REG_DWORD Value: 3

Fix Text (F-43074r3_fix)
EMET 4.0 Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> EMET -> "System ASLR" to "Enabled" with "Application Opt In" selected. (EMET 3.0 policy name - "ASLR".) The Enhanced Mitigation Experience Toolkit must be installed on the system and the administrative template files added to make this setting available.