The Enhanced Mitigation Experience Toolkit (EMET) Default Protections for Recommended Software must be enabled.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-36703	WINCC-000080	SV-50044r4_rule	ECVP-1	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
Windows Server 2008 R2 Domain Controller Security Technical Implementation Guide	2015-06-16

Details

Check Text ( C-49495r4_chk )
This is applicable to unclassified systems, for other systems this is NA. If confirmed that none of the applications are installed on a system, this can be NA. If the following registry values do not exist or are not configured as specified, this is a finding: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\EMET\Defaults\ The Value Names will include the following: Access Acrobat AcrobatReader Excel InfoPath jre6_java jre6_javaw jre6_javaws jre7_java jre7_javaw jre7_javaws Lync Outlook Picture Manager PowerPoint PPTViewer Publisher Visio VisioViewer Word Wordpad

Check Text ( C-49495r4_chk )

This is applicable to unclassified systems, for other systems this is NA.

If confirmed that none of the applications are installed on a system, this can be NA.

If the following registry values do not exist or are not configured as specified, this is a finding:

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \SOFTWARE\Policies\Microsoft\EMET\Defaults\

The Value Names will include the following:
Access
Acrobat
AcrobatReader
Excel
InfoPath
jre6_java
jre6_javaw
jre6_javaws
jre7_java
jre7_javaw
jre7_javaws
Lync
Outlook
Picture Manager
PowerPoint
PPTViewer
Publisher
Visio
VisioViewer
Word
Wordpad

Fix Text (F-49736r3_fix)
This is applicable to unclassified systems, for other systems this is NA. Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> EMET -> "Default Protections for Recommended Software" to "Enabled". The Enhanced Mitigation Experience Toolkit must be installed on the system and the administrative template files added to make this setting available.

Fix Text (F-49736r3_fix)

This is applicable to unclassified systems, for other systems this is NA.

Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> EMET -> "Default Protections for Recommended Software" to "Enabled".

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