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Cisco ASA NDM Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-APP-000001-NDM-000200

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to limit the number of concurrent management sessions to an organization-defined number.

    &lt;VulnDiscussion&gt;Device management includes the ability to control the number of administrators and management sessions that manage a device. ...
    Rule Medium Severity
  • SRG-APP-000026-NDM-000208

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to automatically audit account creation.

    &lt;VulnDiscussion&gt;Upon gaining access to a network device, an attacker will often first attempt to create a persistent method of reestablishing...
    Rule Medium Severity
  • SRG-APP-000027-NDM-000209

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to automatically audit account modification.

    &lt;VulnDiscussion&gt;Since the accounts in the network device are privileged or system-level accounts, account management is vital to the security...
    Rule Medium Severity
  • SRG-APP-000028-NDM-000210

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to automatically audit account-disabling actions.

    &lt;VulnDiscussion&gt;Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting acces...
    Rule Medium Severity
  • SRG-APP-000029-NDM-000211

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to automatically audit account removal actions.

    &lt;VulnDiscussion&gt;Account management, as a whole, ensures access to the network device is being controlled in a secure manner by granting acces...
    Rule Medium Severity
  • SRG-APP-000038-NDM-000213

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to enforce approved authorizations for controlling the flow of management information within the Cisco ASA 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
  • SRG-APP-000068-NDM-000215

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to 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
  • SRG-APP-000080-NDM-000220

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to protect against an individual (or process acting on behalf of an individual) falsely denying having performed organization-defined actions to be covered by non-repudiation.

    &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
  • SRG-APP-000091-NDM-000223

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to generate audit records when successful/unsuccessful attempts to access 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
  • SRG-APP-000095-NDM-000225

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to produce audit log records containing sufficient information to establish what type of event occurred.

    &lt;VulnDiscussion&gt;It is essential for security personnel to know what is being done, what was attempted, where it was done, when it was done, a...
    Rule Medium Severity
  • SRG-APP-000096-NDM-000226

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to produce audit records containing information to establish when (date and time) the events occurred.

    &lt;VulnDiscussion&gt;It is essential for security personnel to know what is being done, what was attempted, where it was done, when it was done, a...
    Rule Medium Severity
  • SRG-APP-000097-NDM-000227

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to produce audit records containing information to establish where the events occurred.

    &lt;VulnDiscussion&gt;In order to compile an accurate risk assessment and provide forensic analysis, it is essential for security personnel to know...
    Rule Medium Severity
  • SRG-APP-000098-NDM-000228

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to produce audit log records containing information to establish the source of events.

    &lt;VulnDiscussion&gt;In order to compile an accurate risk assessment and provide forensic analysis, it is essential for security personnel to know...
    Rule Medium Severity
  • SRG-APP-000099-NDM-000229

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to produce audit records that contain information to establish the outcome of the event.

    &lt;VulnDiscussion&gt;Without information about the outcome of events, security personnel cannot make an accurate assessment as to whether an attac...
    Rule Medium Severity
  • SRG-APP-000101-NDM-000231

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to generate audit records containing the full-text recording of privileged commands.

    &lt;VulnDiscussion&gt;Reconstruction of harmful events or forensic analysis is not possible if audit records do not contain enough information. O...
    Rule Medium Severity
  • SRG-APP-000142-NDM-000245

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to prohibit the use of all unnecessary and/or non-secure 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-NDM-000346

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA 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-000156-NDM-000250

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to 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-NDM-000252

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to 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-NDM-000254

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to 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-NDM-000255

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to 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-NDM-000256

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to 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-NDM-000257

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to 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
  • SRG-APP-000170-NDM-000329

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to 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-000190-NDM-000267

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to 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

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