STIGQter: STIG Summary: Windows 10 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

Structured Exception Handling Overwrite Protection (SEHOP) must be enabled.

DISA Rule

SV-220727r569187_rule

Vulnerability Number

V-220727

Group Title

SRG-OS-000433-GPOS-00192

Rule Version

WN10-00-000150

Severity

CAT I

CCI(s)

• CCI-002824 - The information system implements organization-defined security safeguards to protect its memory from unauthorized code execution.

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Administrative Templates >> MS Security Guide >> "Enable Structured Exception Handling Overwrite Protection (SEHOP)" to "Enabled".

This policy setting requires the installation of the SecGuide custom templates included with the STIG package. "SecGuide.admx" and "SecGuide.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.

Check Contents

This is applicable to Windows 10 prior to v1709.

Verify SEHOP is turned on.

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: \SYSTEM\CurrentControlSet\Control\Session Manager\kernel\

Value Name: DisableExceptionChainValidation

Value Type: REG_DWORD
Value: 0x00000000 (0)

Vulnerability Number

V-220727

Documentable

False

Rule Version

WN10-00-000150

Severity Override Guidance

This is applicable to Windows 10 prior to v1709.

Verify SEHOP is turned on.

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: \SYSTEM\CurrentControlSet\Control\Session Manager\kernel\

Value Name: DisableExceptionChainValidation

Value Type: REG_DWORD
Value: 0x00000000 (0)

Check Content Reference

M

Target Key

4072

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