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Juniper EX Series Switches Network Device Management Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000171-NDM-000258

    <GroupDescription></GroupDescription>
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  • The Juniper EX switch must be configured to only store cryptographic representations of passwords.

    &lt;VulnDiscussion&gt;Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are...
    Rule High Severity
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  • SRG-APP-000179-NDM-000265

    <GroupDescription></GroupDescription>
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  • The Juniper EX switch must be configured to use FIPS 140-2 approved algorithms for authentication to a cryptographic module.

    &lt;VulnDiscussion&gt;Unapproved mechanisms that are used for authentication to the cryptographic module are not validated and therefore cannot be ...
    Rule High Severity
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  • SRG-APP-000186-NDM-000266

    <GroupDescription></GroupDescription>
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  • The Juniper EX switch must be configured to terminate all sessions and network connections when nonlocal device maintenance is completed.

    &lt;VulnDiscussion&gt;If a device management session or connection remains open after management is completed, it may be hijacked by an attacker an...
    Rule Medium Severity
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  • SRG-APP-000190-NDM-000267

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  • The Juniper EX switch must be configured to end 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 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-000231-NDM-000271

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  • The Juniper device must be configured to only allow authorized administrators to view or change the device configuration, system files, and other files stored either in the device or on removable media (such as a flash drive).

    &lt;VulnDiscussion&gt;This requirement is intended to address the confidentiality and integrity of system information at rest (e.g., network device...
    Rule High Severity
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  • SRG-APP-000329-NDM-000287

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  • The Juniper EX switch must be configured to 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-000357-NDM-000293

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  • The Juniper EX switch must be configured to allocate audit record storage capacity in accordance with organization-defined audit record storage requirements.

    &lt;VulnDiscussion&gt;To ensure network devices have a sufficient storage capacity in which to write the audit logs, they need to be able to alloca...
    Rule Medium Severity
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  • SRG-APP-000360-NDM-000295

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  • The Juniper EX switch must be configured to generate an immediate real-time alert of all audit failure events requiring real-time alerts.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
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  • SRG-APP-000373-NDM-000298

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  • The Juniper EX switch must be configured to synchronize internal information system clocks using redundant authoritative 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-000374-NDM-000299

    <GroupDescription></GroupDescription>
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  • The Juniper EX switch must be configured to record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC) or Greenwich Mean Time (GMT).

    &lt;VulnDiscussion&gt;If time stamps are not consistently applied and there is no common time reference, it is difficult to perform forensic analys...
    Rule Medium Severity
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  • SRG-APP-000378-NDM-000302

    <GroupDescription></GroupDescription>
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  • The Juniper EX switch must be configured to prohibit installation of software without explicit privileged status.

    &lt;VulnDiscussion&gt;Allowing anyone to install software, without explicit privileges, creates the risk that untested or potentially malicious sof...
    Rule Medium Severity
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  • SRG-APP-000380-NDM-000304

    <GroupDescription></GroupDescription>
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  • The Juniper EX switch must be configured to enforce access restrictions associated with changes to device configuration.

    &lt;VulnDiscussion&gt;Failure to provide logical access restrictions associated with changes to device configuration may have significant effects o...
    Rule Medium Severity
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  • SRG-APP-000395-NDM-000310

    <GroupDescription></GroupDescription>
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  • The Juniper EX switch 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 High Severity
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  • SRG-APP-000395-NDM-000347

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  • The Juniper EX switch must use an an NTP service that is hosted by a trusted source or a DOD-compliant enterprise or local NTP server.

    &lt;VulnDiscussion&gt;If a trusted time source is not used, an attacker can introduce a rogue NTP server. This rogue server can then be used to sen...
    Rule Low Severity
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  • SRG-APP-000400-NDM-000313

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  • The Juniper EX switch must be configured to prohibit the use of cached authenticators after an organization-defined time period.

    &lt;VulnDiscussion&gt;Some authentication implementations can be configured to use cached authenticators. If cached authentication information is ...
    Rule Medium Severity
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  • SRG-APP-000411-NDM-000330

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  • The Juniper EX switches must be configured to use FIPS-validated Keyed-Hash Message Authentication Code (HMAC) to protect the integrity of nonlocal maintenance and diagnostic communications.

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

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  • The Juniper EX switch 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-000435-NDM-000315

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  • The Juniper EX switch must be configured to protect against known types of denial-of-service (DoS) attacks by employing organization-defined security safeguards.

    &lt;VulnDiscussion&gt;DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...
    Rule Medium Severity
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  • SRG-APP-000503-NDM-000320

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  • The Juniper EX switch must be configured to generate audit records when successful/unsuccessful logon attempts occur.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
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  • SRG-APP-000504-NDM-000321

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  • The Juniper EX switch must be configured to generate audit records for privileged activities or other system-level access.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
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  • SRG-APP-000505-NDM-000322

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  • The Juniper EX switch must be configured to generate audit records showing starting and ending time for administrator access to the system.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
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  • SRG-APP-000506-NDM-000323

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  • The Juniper EX switch must be configured to generate audit records when concurrent logons from different workstations occur.

    &lt;VulnDiscussion&gt;Without generating audit records that are specific to the security and mission needs of the organization, it would be difficu...
    Rule Medium Severity
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  • SRG-APP-000515-NDM-000325

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  • The Juniper EX switch must be configured to offload audit records onto a different system or media than the system being audited.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Offloading is a common ...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000317

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  • The Juniper EX switch must be configured in accordance with the security configuration settings based on DoD security configuration or implementation guidance, including STIGs, NSA configuration guides, CTOs, and DTMs.

    &lt;VulnDiscussion&gt;Configuring the network device to implement organization-wide security implementation guides and security checklists ensures ...
    Rule Medium Severity
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  • SRG-APP-000516-NDM-000334

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  • The Juniper EX switch must be configured to generate log records for a locally developed list of 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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