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I - Mission Critical Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000019-RTR-000003

    <GroupDescription></GroupDescription>
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  • The Arista Multilayer Switch must disable Protocol Independent Multicast (PIM) on all interfaces that are not required to support multicast routing.

    &lt;VulnDiscussion&gt;If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or ...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000004

    <GroupDescription></GroupDescription>
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  • The Arista Multilayer Switch must bind a Protocol Independent Multicast (PIM) neighbor filter to interfaces that have PIM enabled.

    &lt;VulnDiscussion&gt;Protocol Independent Multicast (PIM) is a routing protocol used to build multicast distribution trees for forwarding multicas...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000005

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  • The Arista Multilayer Switch must establish boundaries for IPv6 Admin-Local, IPv6 Site-Local, IPv6 Organization-Local scope, and IPv4 Local-Scope multicast traffic.

    &lt;VulnDiscussion&gt;If multicast traffic is forwarded beyond the intended boundary, it is possible that it can be intercepted by unauthorized or ...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000007

    <GroupDescription></GroupDescription>
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  • The Arista Multilayer Switch must be configured so inactive router interfaces are disabled.

    &lt;VulnDiscussion&gt;An inactive interface is rarely monitored or controlled and may expose a network to an undetected attack on that interface. U...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000009

    <GroupDescription></GroupDescription>
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  • The Arista Multilayer Switch must protect an enclave connected to an Alternate Gateway by using an inbound filter that only permits packets with destination addresses within the sites address space.

    &lt;VulnDiscussion&gt;Enclaves with Alternate Gateway connections must take additional steps to ensure there is no compromise on the enclave networ...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000010

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  • If Border Gateway Protocol (BGP) is enabled on The Arista Multilayer Switch, The Arista Multilayer Switch must not be a BGP peer with a router from an Autonomous System belonging to any Alternate Gateway.

    &lt;VulnDiscussion&gt;The perimeter router will not use a routing protocol to advertise NIPRNet addresses to Alternate Gateways. Most ISPs use Bord...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000011

    <GroupDescription></GroupDescription>
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  • The Arista Multilayer Switch must not redistribute static routes to alternate gateway service provider into an Exterior Gateway Protocol or Interior Gateway Protocol to the NIPRNet or to other Autonomous System.

    &lt;VulnDiscussion&gt;If the static routes to the alternate gateway are being redistributed into an Exterior Gateway Protocol or Interior Gateway P...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000012

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  • The Arista Multilayer Switch must enforce that Interior Gateway Protocol instances configured on the out-of-band management gateway router only peer with their own routing domain.

    &lt;VulnDiscussion&gt;If the gateway router is not a dedicated device for the out-of-band management network, implementation of several safeguards ...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000013

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  • The Arista Multilayer Switch must enforce that the managed network domain and the management network domain are separate routing domains and the Interior Gateway Protocol instances are not redistributed or advertised to each other.

    &lt;VulnDiscussion&gt;If the gateway router is not a dedicated device for the out-of-band management network, several safeguards must be implemente...
    Rule Medium Severity
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  • SRG-NET-000019-RTR-000014

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  • The Arista Multilayer Switch must enforce that any interface used for out-of-band management traffic is configured to be passive for the Interior Gateway Protocol that is utilized on that management interface.

    &lt;VulnDiscussion&gt;The out-of-band management access switch will connect to the management interface of the managed network elements. The manage...
    Rule Medium Severity
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  • SRG-NET-000018-RTR-000001

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  • The Arista Multilayer Switch must enforce information flow control using explicit security attributes (for example, IP addresses, port numbers, protocol, Autonomous System, or interface) on information, source, and destination objects.

    &lt;VulnDiscussion&gt;Information flow control regulates where information is allowed to travel within a network and between interconnected network...
    Rule Medium Severity
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  • SRG-NET-000025-RTR-000020

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  • The Arista Multilayer Switch must enable neighbor router authentication for control plane protocols except RIP.

    &lt;VulnDiscussion&gt;A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...
    Rule Medium Severity
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  • SRG-NET-000026-RTR-000031

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  • The Arista Multilayer Switch must be configured to restrict it from accepting outbound IP packets that contain an illegitimate address in the source address field via egress filter or by enabling Unicast Reverse Path Forwarding.

    &lt;VulnDiscussion&gt;A compromised host in an enclave can be used by a malicious actor as a platform to launch cyber attacks on third parties. Thi...
    Rule Medium Severity
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  • SRG-NET-000131-RTR-000035

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  • The Arista Multilayer Switch must be configured to disable non-essential capabilities.

    &lt;VulnDiscussion&gt;A compromised router introduces risk to the entire network infrastructure as well as data resources that are accessible via t...
    Rule Medium Severity
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  • SRG-NET-000168-RTR-000077

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  • The Arista Multilayer Switch must encrypt all methods of configured authentication for the OSPF routing protocol.

    &lt;VulnDiscussion&gt;A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...
    Rule Medium Severity
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  • SRG-NET-000191-RTR-000081

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  • The Arista Multilayer Switch must ensure all Exterior Border Gateway Protocol (eBGP) routers are configured to use Generalized TTL Security Mechanism (GTSM) or are configured to meet RFC3682.

    &lt;VulnDiscussion&gt;As described in RFC 3682, Generalized TTL Security Mechanism (GTSM) is designed to protect a router's IP-based control plane ...
    Rule Medium Severity
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  • SRG-NET-000362-RTR-000110

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  • The Arista Multilayer Switch must manage excess bandwidth to limit the effects of packet flooding types of denial of service (DoS) attacks.

    &lt;VulnDiscussion&gt;Denial of service is a condition when a resource is not available for legitimate users. Packet flooding DDoS attacks are refe...
    Rule Medium Severity
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  • SRG-NET-000512-RTR-000012

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  • The Arista Multilayer Switch must configure the maximum hop limit value to at least 32.

    &lt;VulnDiscussion&gt;The Neighbor Discovery protocol allows a hop limit value to be advertised by routers in a Router Advertisement message to be ...
    Rule Medium Severity
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  • SRG-NET-000364-RTR-000109

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  • The Arista Multilayer Switch must only allow incoming communications from authorized sources to be routed to authorized destinations.

    &lt;VulnDiscussion&gt;Unrestricted traffic may contain malicious traffic that poses a threat to an enclave or to other connected networks. Addition...
    Rule Medium Severity
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  • SRG-NET-000168-RTR-000077

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  • The Arista Multilayer Switch must not enable the RIP routing protocol.

    &lt;VulnDiscussion&gt;A rogue router could send a fictitious routing update to convince a site's perimeter router to send traffic to an incorrect o...
    Rule Medium Severity
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