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Arista MLS EOS 4.2x NDM Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000038-NDM-000213

    <GroupDescription></GroupDescription>
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  • The Arista network device must enforce approved authorizations for controlling the flow of management information within the network device based on information flow control policies.

    &lt;VulnDiscussion&gt;A mechanism to detect and prevent unauthorized communication flow must be configured or provided as part of the system design...
    Rule Medium Severity
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  • SRG-APP-000065-NDM-000214

    <GroupDescription></GroupDescription>
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  • The Arista network device must be configured to enforce the limit of three consecutive invalid logon attempts, after which time it must block any login attempt for 15 minutes.

    &lt;VulnDiscussion&gt;By limiting the number of failed login attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Medium Severity
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  • SRG-APP-000068-NDM-000215

    <GroupDescription></GroupDescription>
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  • The Arista network device must display the Standard Mandatory DOD Notice and Consent Banner before granting access to the device.

    &lt;VulnDiscussion&gt;Display of the DOD-approved use notification before granting access to the network device ensures privacy and security notifi...
    Rule Medium Severity
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  • SRG-APP-000026-NDM-000208

    <GroupDescription></GroupDescription>
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  • The Arista network device must be configured to audit all administrator activity.

    &lt;VulnDiscussion&gt;This requirement supports non-repudiation of actions taken by an administrator and is required in order to maintain the integ...
    Rule Medium Severity
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  • SRG-APP-000142-NDM-000245

    <GroupDescription></GroupDescription>
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  • The Arista network devices must use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of remote maintenance sessions.

    &lt;VulnDiscussion&gt;Unapproved mechanisms used for authentication to the cryptographic module are not verified and therefore cannot be relied upo...
    Rule High Severity
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  • SRG-APP-000412-NDM-000331

    <GroupDescription></GroupDescription>
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  • The Arista network device must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services.

    &lt;VulnDiscussion&gt;To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embeddi...
    Rule High Severity
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  • SRG-APP-000148-NDM-000346

    <GroupDescription></GroupDescription>
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  • The Arista network device must be configured with only one local account to be used as the account of last resort in the event the authentication server is unavailable.

    &lt;VulnDiscussion&gt;Authentication for administrative (privileged level) access to the device is required at all times. An account can be created...
    Rule Medium Severity
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  • SRG-APP-000164-NDM-000252

    <GroupDescription></GroupDescription>
    Group
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  • The Arista network device must enforce a minimum 15-character password length.

    &lt;VulnDiscussion&gt;Password complexity, or strength, is a measure of the effectiveness of a password in resisting attempts at guessing and brute...
    Rule Medium Severity
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  • SRG-APP-000179-NDM-000265

    <GroupDescription></GroupDescription>
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  • The Arista network device must use FIPS 140-2 approved algorithms for authentication to a cryptographic module.

    &lt;VulnDiscussion&gt;Unapproved mechanisms used for authentication to the cryptographic module are not validated and therefore cannot be relied up...
    Rule High Severity
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  • SRG-APP-000190-NDM-000267

    <GroupDescription></GroupDescription>
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  • The Arista network device must terminate all network connections associated with a device management session at the end of the session, or the session must be terminated after 10 minutes of inactivity except to fulfill documented and validated mission requirements.

    &lt;VulnDiscussion&gt;Terminating an idle session within a short time period reduces the window of opportunity for unauthorized personnel to take c...
    Rule High Severity
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  • SRG-APP-000329-NDM-000287

    <GroupDescription></GroupDescription>
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  • If the Arista network device uses role-based access control, the network device must enforce organization-defined role-based access control policies over defined subjects and objects.

    &lt;VulnDiscussion&gt;Organizations can create specific roles based on job functions and the authorizations (i.e., privileges) to perform needed op...
    Rule Medium Severity
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  • SRG-APP-000373-NDM-000298

    <GroupDescription></GroupDescription>
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  • The Arista network device must be configured to synchronize internal system clocks using redundant authenticated time sources.

    &lt;VulnDiscussion&gt;The loss of connectivity to a particular authoritative time source will result in the loss of time synchronization (free-run ...
    Rule Medium Severity
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  • SRG-APP-000395-NDM-000310

    <GroupDescription></GroupDescription>
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  • The Arista network device must be configured to authenticate SNMP messages using a FIPS-validated Keyed-Hash Message Authentication Code (HMAC).

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. B...
    Rule Medium Severity
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  • SRG-APP-000411-NDM-000330

    <GroupDescription></GroupDescription>
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  • The Arista network device must be configured to implement cryptographic mechanisms using a FIPS 140-2 approved algorithm to protect the confidentiality of remote maintenance sessions.

    &lt;VulnDiscussion&gt;This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead...
    Rule High Severity
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  • SRG-APP-000095-NDM-000225

    <GroupDescription></GroupDescription>
    Group
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  • The Arista network device must be configured to capture all DOD auditable events.

    &lt;VulnDiscussion&gt;Auditing and logging are key components of any security architecture. Logging the actions of specific events provides a means...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000336

    <GroupDescription></GroupDescription>
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  • The network device must be configured to use an authentication server to authenticate users prior to granting administrative access.

    &lt;VulnDiscussion&gt;Centralized management of authentication settings increases the security of remote and nonlocal access methods. This control ...
    Rule High Severity
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  • SRG-APP-000516-NDM-000340

    <GroupDescription></GroupDescription>
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  • The network device must be configured to conduct backups of system level information contained in the information system when changes occur.

    &lt;VulnDiscussion&gt;System-level information includes default and customized settings and security attributes, including ACLs that relate to the ...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000344

    <GroupDescription></GroupDescription>
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  • The Arista network device must obtain its public key certificates from an appropriate certificate policy through an approved service provider.

    &lt;VulnDiscussion&gt;For user certificates, each organization obtains certificates from an approved, shared service provider, as required by OMB p...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000350

    <GroupDescription></GroupDescription>
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  • The Arista network Arista device must be configured to send log data to a central log server for the purpose of forwarding alerts to the administrators and the ISSO.

    &lt;VulnDiscussion&gt;The aggregation of log data kept on a syslog server can be used to detect attacks and trigger an alert to the appropriate sec...
    Rule High Severity
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  • SRG-APP-000516-NDM-000351

    <GroupDescription></GroupDescription>
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  • The Arista network device must be running an operating system release that is currently supported by the vendor.

    &lt;VulnDiscussion&gt;Network devices running an unsupported operating system lack current security fixes required to mitigate the risks associated...
    Rule High Severity
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