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CCE
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CCE-41794-9

Platform: cpe:/o:microsoft:windows_10Date: (C)2016-09-23   (M)2023-07-04



Disable: 'MSS: (EnableICMPRedirect) Allow ICMP redirects to override OSPF generated routes' for EnableICMPRedirect MSS: (EnableICMPRedirect) Allow ICMP redirects to override OSPF generated routes Counter Measure: Configure the MSS: (EnableICMPRedirect) Allow ICMP redirects to override OSPF generated routes entry to a value of Disabled. The possible values for this registry entry are: ? 1 or 0. The default configuration is 1 (enabled). In the SCE UI, these options appear as: ? Enabled ? Disabled ? Not Defined Potential Impact: When Routing and Remote Access Service (RRAS) is configured as an autonomous system boundary router (ASBR), it does not correctly import connected interface subnet routes. Instead, this router injects host routes into the OSPF routes. However, the OSPF router can not be used as an ASBR router, and when connected interface subnet routes are imported into OSPF the result is confusing routing tables with strange routing paths.


Parameter:

[enable/disable]


Technical Mechanism:

(1) GPO: Computer ConfigurationAdministrative TemplatesMSS (Legacy)MSS: (EnableICMPRedirect) Allow ICMP redirects to override OSPF generated routes (2) REG: HKEY_LOCAL_MACHINESystemCurrentControlSetServicesTcpipParametersEnableICMPRedirect

CCSS Severity:CCSS Metrics:
CCSS Score : 7.7Attack Vector: NETWORK
Exploit Score: 2.2Attack Complexity: HIGH
Impact Score: 5.5Privileges Required: NONE
Severity: HIGHUser Interaction: NONE
Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:HScope: UNCHANGED
 Confidentiality: HIGH
 Integrity: LOW
 Availability: HIGH
  

References:
Resource IdReference
SCAP Repo OVAL Definitionoval:org.secpod.oval:def:35026


OVAL    1
oval:org.secpod.oval:def:35026
XCCDF    5
xccdf_org.secpod_benchmark_HIPAA_45CFR_164_Windows_10
xccdf_org.secpod_benchmark_NIST_800_53_r4_Windows_10
xccdf_org.secpod_benchmark_PCI_3_2_Windows_10
xccdf_org.secpod_benchmark_NIST_800_171_R1_Windows_10
...

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