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XCCDF
Red Hat Enterprise Linux 9 Security Technical Implementation Guide
SRG-OS-000480-GPOS-00227
RHEL 9 must prevent IPv6 Internet Control Message Protocol (ICMP) redirect messages from being accepted.
RHEL 9 must prevent IPv6 Internet Control Message Protocol (ICMP) redirect messages from being accepted.
An XCCDF Rule
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RHEL 9 must prevent IPv6 Internet Control Message Protocol (ICMP) redirect messages from being accepted.
Medium Severity
<VulnDiscussion>ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages modify the host's route table and are unauthenticated. An illicit ICMP redirect message could result in a man-in-the-middle attack.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>