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XCCDF
Cisco IOS XE Router RTR Security Technical Implementation Guide
SRG-NET-000364-RTR-000203
SRG-NET-000364-RTR-000203
An XCCDF Group - A logical subset of the XCCDF Benchmark
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SRG-NET-000364-RTR-000203
1 Rule
<GroupDescription></GroupDescription>
The Cisco perimeter router must be configured to drop IPv6 packets containing a Destination Option header with invalid option type values.
Medium Severity
<VulnDiscussion>These options are intended to be for the Hop-by-Hop header only. The optional and extensible natures of the IPv6 extension headers require higher scrutiny since many implementations do not always drop packets with headers that it cannot recognize. Hence, this could cause a Denial-of-Service on the target device. In addition, the type, length, value (TLV) formatting provides the ability for headers to be very large. </VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>