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Network Device Management Security Requirements Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • The network device must use internal system clocks to generate time stamps for audit records.

    <VulnDiscussion>In order to determine what is happening within the network infrastructure or to resolve and trace an attack, the network devi...
    Rule Medium Severity
  • SRG-APP-000119

    <GroupDescription></GroupDescription>
    Group
  • The network device must protect audit information from unauthorized modification.

    &lt;VulnDiscussion&gt;Audit information includes all information (e.g., audit records, audit settings, and audit reports) needed to successfully au...
    Rule Medium Severity
  • SRG-APP-000120

    <GroupDescription></GroupDescription>
    Group
  • The network device must protect audit information from unauthorized deletion.

    &lt;VulnDiscussion&gt;Audit information includes all information (e.g., audit records, audit settings, and audit reports) needed to successfully au...
    Rule Medium Severity
  • SRG-APP-000121

    <GroupDescription></GroupDescription>
    Group
  • The network device must protect audit tools from unauthorized access.

    &lt;VulnDiscussion&gt;Protecting audit data also includes identifying and protecting the tools used to view and manipulate log data. Therefore, pro...
    Rule Medium Severity
  • SRG-APP-000122

    <GroupDescription></GroupDescription>
    Group
  • The network device must protect audit tools from unauthorized modification.

    &lt;VulnDiscussion&gt;Protecting audit data also includes identifying and protecting the tools used to view and manipulate log data. Therefore, pro...
    Rule Medium Severity
  • SRG-APP-000123

    <GroupDescription></GroupDescription>
    Group
  • The network device must protect audit tools from unauthorized deletion.

    &lt;VulnDiscussion&gt;Protecting audit data also includes identifying and protecting the tools used to view and manipulate log data. Therefore, pro...
    Rule Medium Severity
  • SRG-APP-000131

    <GroupDescription></GroupDescription>
    Group
  • The network device must prevent the installation of patches, service packs, or application components without verification the software component has been digitally signed using a certificate that is recognized and approved by the organization.

    &lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of the network device. Verifying soft...
    Rule Medium Severity
  • SRG-APP-000133

    <GroupDescription></GroupDescription>
    Group
  • The network device must limit privileges to change the software resident within software libraries.

    &lt;VulnDiscussion&gt;Changes to any software components of the network device can have significant effects on the overall security of the network....
    Rule Medium Severity
  • The network device must be configured to prohibit the use of all unnecessary and/or nonsecure functions, ports, protocols, and/or services

    &lt;VulnDiscussion&gt;In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....
    Rule High Severity
  • SRG-APP-000148

    <GroupDescription></GroupDescription>
    Group
  • The 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
  • SRG-APP-000153

    <GroupDescription></GroupDescription>
    Group
  • The network device must be configured to authenticate each administrator prior to authorizing privileges based on assignment of group or role.

    &lt;VulnDiscussion&gt;To ensure individual accountability and prevent unauthorized access, administrators must be individually identified and authe...
    Rule Medium Severity
  • SRG-APP-000156

    <GroupDescription></GroupDescription>
    Group
  • The network device 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
  • SRG-APP-000164

    <GroupDescription></GroupDescription>
    Group
  • The 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
  • SRG-APP-000166

    <GroupDescription></GroupDescription>
    Group
  • The network device must enforce password complexity by requiring that at least one uppercase 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
  • SRG-APP-000167

    <GroupDescription></GroupDescription>
    Group
  • The network device must enforce password complexity by requiring that at least one lowercase 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
  • SRG-APP-000168

    <GroupDescription></GroupDescription>
    Group
  • The network device 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
  • SRG-APP-000169

    <GroupDescription></GroupDescription>
    Group
  • The network device 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
  • The network device must require that when a password is changed, the characters are changed in at least eight of the positions within the password.

    &lt;VulnDiscussion&gt;If the application allows the user to consecutively reuse extensive portions of passwords, this increases the chances of pass...
    Rule Medium Severity
  • SRG-APP-000171

    <GroupDescription></GroupDescription>
    Group
  • The network device must be configured to store passwords using an approved salted key derivation function, preferably using a keyed hash for password-based authentication.

    &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
  • SRG-APP-000172

    <GroupDescription></GroupDescription>
    Group
  • The network device must transmit only encrypted 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
  • SRG-APP-000178

    <GroupDescription></GroupDescription>
    Group
  • The network device must obscure feedback of authentication information during the authentication process to protect the information from possible exploitation/use by unauthorized individuals.

    &lt;VulnDiscussion&gt;To prevent the compromise of authentication information such as passwords during the authentication process, the feedback fro...
    Rule High Severity
  • SRG-APP-000179

    <GroupDescription></GroupDescription>
    Group
  • The network device must 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
  • The 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 five 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
  • SRG-APP-000220

    <GroupDescription></GroupDescription>
    Group
  • The network device must invalidate session identifiers upon administrator logout or other session termination.

    &lt;VulnDiscussion&gt;Captured sessions can be reused in "replay" attacks. This requirement limits the ability of adversaries to capture and to con...
    Rule Medium Severity
  • SRG-APP-000223

    <GroupDescription></GroupDescription>
    Group
  • The network device must recognize only system-generated session identifiers.

    &lt;VulnDiscussion&gt;Network device management web interfaces utilize sessions and session identifiers to control management interface behavior an...
    Rule Medium Severity
  • SRG-APP-000224

    <GroupDescription></GroupDescription>
    Group
  • The network device must generate unique session identifiers using a FIPS 140-2 approved random number generator.

    &lt;VulnDiscussion&gt;Sequentially generated session IDs can be easily guessed by an attacker. Employing the concept of randomness in the generatio...
    Rule Medium Severity
  • SRG-APP-000231

    <GroupDescription></GroupDescription>
    Group
  • The network device 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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