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-50044r1_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	2013-07-03

Details

Check Text ( C-45805r4_chk )
If the following registry values do not exist or are not configured as specified, this is a finding. Registry Hive: HKEY_LOCAL_MACHINE Subkey: \Software\Policies\Microsoft\EMET\Defaults\ EMET 3.0 The Value Names will include the following: Access10 Access11 Access12 Access14 Acrobat10 Acrobat8 Acrobat9 AcrobatReader10 AcrobatReader8 AcrobatReader9 Calendar CalendarReminder Excel10 Excel11 Excel12 Excel14 InfoPath10 InfoPath11 InfoPath12 InfoPath14 MSWorks Outlook10 Outlook11 Outlook12 Outlook14 PowerPoint10 PowerPoint11 PowerPoint12 PowerPoint14 PPTViewer10 PPTViewer11 PPTViewer12 PPTViewer14 Publisher10 Publisher11 Publisher12 Publisher14 Visio10 Visio11 Visio12 Visio14 VisioViewer10 VisioViewer11 VisioViewer12 VisioViewer14 Word10 Word11 Word12 Word14 EMET 4.0 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 If confirmed that none of the applications are installed on a system, this can be NA.

Check Text ( C-45805r4_chk )

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

Registry Hive: HKEY_LOCAL_MACHINE
Subkey: \Software\Policies\Microsoft\EMET\Defaults\

EMET 3.0
The Value Names will include the following:
Access10
Access11
Access12
Access14
Acrobat10
Acrobat8
Acrobat9
AcrobatReader10
AcrobatReader8
AcrobatReader9
Calendar
CalendarReminder
Excel10
Excel11
Excel12
Excel14
InfoPath10
InfoPath11
InfoPath12
InfoPath14
MSWorks
Outlook10
Outlook11
Outlook12
Outlook14
PowerPoint10
PowerPoint11
PowerPoint12
PowerPoint14
PPTViewer10
PPTViewer11
PPTViewer12
PPTViewer14
Publisher10
Publisher11
Publisher12
Publisher14
Visio10
Visio11
Visio12
Visio14
VisioViewer10
VisioViewer11
VisioViewer12
VisioViewer14
Word10
Word11
Word12
Word14

EMET 4.0
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

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

Fix Text (F-43171r2_fix)
EMET 3.0 Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> EMET -> "Default Protections for Microsoft Works, Microsoft Office, Adobe Acrobat and Adobe Acrobat Reader products" to "Enabled". EMET 4.0 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-43171r2_fix)

EMET 3.0
Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> EMET -> "Default Protections for Microsoft Works, Microsoft Office, Adobe Acrobat and Adobe Acrobat Reader products" to "Enabled".

EMET 4.0
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.