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DBN-6300 NDM Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000156-NDM-000250

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must implement replay-resistant authentication mechanisms for network access to privileged accounts.

    &lt;VulnDiscussion&gt;A replay attack may enable an unauthorized user to gain access to the application. Authentication sessions between the authen...
    Rule Medium Severity
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  • SRG-APP-000164-NDM-000252

    <GroupDescription></GroupDescription>
    Group
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  • The DBN-6300 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-000165-NDM-000253

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must prohibit password reuse for a minimum of five generations.

    &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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  • If multifactor authentication is not supported and passwords must be used, the DBN-6300 must enforce password complexity by requiring that at least one upper-case character be used.

    &lt;VulnDiscussion&gt;Use of a complex passwords helps to increase the time and resources required to compromise the password. Password complexity,...
    Rule Medium Severity
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  • SRG-APP-000167-NDM-000255

    <GroupDescription></GroupDescription>
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  • If multifactor authentication is not supported and passwords must be used, the DBN-6300 must enforce password complexity by requiring that at least one lower-case character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
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  • SRG-APP-000168-NDM-000256

    <GroupDescription></GroupDescription>
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  • If multifactor authentication is not supported and passwords must be used, the DBN-6300 must enforce password complexity by requiring that at least one numeric character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
    Show

  • SRG-APP-000169-NDM-000257

    <GroupDescription></GroupDescription>
    Group
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  • If multifactor authentication is not supported and passwords must be used, the DBN-6300 must enforce password complexity by requiring that at least one special character be used.

    &lt;VulnDiscussion&gt;Use of a complex password helps to increase the time and resources required to compromise the password. Password complexity, ...
    Rule Medium Severity
    Show

  • SRG-APP-000173-NDM-000260

    <GroupDescription></GroupDescription>
    Group
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  • The DBN-6300 must enforce 24 hours/1 day as the minimum password lifetime.

    &lt;VulnDiscussion&gt;Enforcing a minimum password lifetime helps prevent repeated password changes to defeat the password reuse or history enforce...
    Rule Medium Severity
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  • SRG-APP-000174-NDM-000261

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must enforce a 60-day maximum password lifetime restriction.

    &lt;VulnDiscussion&gt;Any password, no matter how complex, can eventually be cracked. Therefore, passwords need to be changed at specific intervals...
    Rule Medium Severity
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  • SRG-APP-000190-NDM-000267

    <GroupDescription></GroupDescription>
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  • The DBN-6300 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-000267-NDM-000273

    <GroupDescription></GroupDescription>
    Group
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  • The DBN-6300 must reveal error messages only to authorized individuals (ISSO, ISSM, and SA).

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
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  • SRG-APP-000268-NDM-000274

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must activate a system alert message, send an alarm, and/or automatically shut down when a component failure is detected.

    &lt;VulnDiscussion&gt;Predictable failure prevention requires organizational planning to address device failure issues. If components key to mainta...
    Rule Medium Severity
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  • SRG-APP-000295-NDM-000279

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must automatically terminate a network administrator session after organization-defined conditions or trigger events requiring session disconnect.

    &lt;VulnDiscussion&gt;Automatic session termination addresses the termination of administrator-initiated logical sessions in contrast to the termin...
    Rule Medium Severity
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  • SRG-APP-000319-NDM-000283

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must automatically audit account enabling actions.

    &lt;VulnDiscussion&gt;Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of reestab...
    Rule Medium Severity
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  • SRG-APP-000343-NDM-000289

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must audit the execution of privileged functions.

    &lt;VulnDiscussion&gt;Misuse of privileged functions, either intentionally or unintentionally by authorized users, or by unauthorized external enti...
    Rule Medium Severity
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  • SRG-APP-000353-NDM-000292

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must provide the capability for organization-identified individuals or roles to change the auditing to be performed based on all selectable event criteria within near real time.

    &lt;VulnDiscussion&gt;If authorized individuals do not have the ability to modify auditing parameters in response to a changing threat environment,...
    Rule Low Severity
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  • SRG-APP-000371-NDM-000296

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  • The DBN-6300 must compare internal information system clocks at least every 24 hours with an authoritative time server.

    &lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...
    Rule Medium Severity
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  • The DBN-6300 must synchronize its internal system clock to the NTP server when the time difference is greater than one second.

    &lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...
    Rule Medium Severity
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  • SRG-APP-000374-NDM-000299

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must record time stamps for audit records that can be mapped to Coordinated Universal Time (UTC).

    &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-000375-NDM-000300

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must record time stamps for audit records that meet a granularity of one second for a minimum degree of precision.

    &lt;VulnDiscussion&gt;Without sufficient granularity of time stamps, it is not possible to adequately determine the chronological order of records....
    Rule Medium Severity
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  • SRG-APP-000381-NDM-000305

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must audit the enforcement actions used to restrict access associated with changes to the device.

    &lt;VulnDiscussion&gt;Without auditing the enforcement of access restrictions against changes to the device configuration, it will be difficult to ...
    Rule Medium Severity
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  • SRG-APP-000411-NDM-000330

    <GroupDescription></GroupDescription>
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  • Applications used for nonlocal maintenance sessions must implement cryptographic mechanisms to protect the integrity of nonlocal maintenance and diagnostic communications.

    &lt;VulnDiscussion&gt;This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead...
    Rule Medium Severity
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  • SRG-APP-000412-NDM-000331

    <GroupDescription></GroupDescription>
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  • Applications used for nonlocal maintenance sessions must implement cryptographic mechanisms to protect the confidentiality of nonlocal maintenance and diagnostic communications.

    &lt;VulnDiscussion&gt;This requires the use of secure protocols instead of their unsecured counterparts, such as SSH instead of telnet, SCP instead...
    Rule Medium Severity
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  • SRG-APP-000495-NDM-000318

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  • The DBN-6300 must generate audit records when successful/unsuccessful attempts to modify administrator privileges 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-000499-NDM-000319

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must generate audit records when successful/unsuccessful attempts to delete administrator privileges 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-000503-NDM-000320

    <GroupDescription></GroupDescription>
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  • The DBN-6300 must 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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