STIGQter STIGQter: STIG Summary: Microsoft Windows Server 2019 Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 04 May 2021:

Windows Server 2019 must be configured to prevent Internet Control Message Protocol (ICMP) redirects from overriding Open Shortest Path First (OSPF)-generated routes.

DISA Rule

SV-205860r569188_rule

Vulnerability Number

V-205860

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

WN19-CC-000050

Severity

CAT III

CCI(s)

Weight

10

Fix Recommendation

Configure the policy value for Computer Configuration >> Administrative Templates >> MSS (Legacy) >> "MSS: (EnableICMPRedirect) Allow ICMP redirects to override OSPF generated routes" to "Disabled".

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

Check Contents

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\Services\Tcpip\Parameters\

Value Name: EnableICMPRedirect

Value Type: REG_DWORD
Value: 0x00000000 (0)

Vulnerability Number

V-205860

Documentable

False

Rule Version

WN19-CC-000050

Severity Override Guidance

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\Services\Tcpip\Parameters\

Value Name: EnableICMPRedirect

Value Type: REG_DWORD
Value: 0x00000000 (0)

Check Content Reference

M

Target Key

2907

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