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The Enhanced Mitigation Experience Toolkit (EMET) system-wide Structured Exception Handler Overwrite Protection (SEHOP) must be configured to Application Opt Out.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-36706 | WINCC-000083 | SV-50060r1_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 Vista Security Technical Implementation Guide | 2013-07-03 |
Details
| Check Text ( C-45817r5_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: SEHOP Type: REG_DWORD Value: 2 Applications that do not function properly due to this setting, and are opted out, must be documented with the IAO. |
| Fix Text (F-43187r5_fix) |
|---|
| Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> EMET -> "SEHOP" to "Enabled" with "Application Opt Out" selected. The Enhanced Mitigation Experience Toolkit must be installed on the system and the administrative template files added to make this setting available. Document applications that do not function properly due to this setting, and are opted out, with the IAO. Opted out exceptions can be configured with the following command. EMET_Conf --Set "application path\executable name" -SEHOP |