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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-NET-000078-VPN-000290

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to generate log records containing information to establish when the events occurred.

    &lt;VulnDiscussion&gt;Without establishing when events occurred, it is impossible to establish, correlate, and investigate the events leading up to...
    Rule Low Severity
  • SRG-NET-000336-VPN-001280

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to queue log records locally in the event that the central audit server is down or not reachable.

    &lt;VulnDiscussion&gt;If the system were to continue processing after audit failure, actions can be taken on the system that cannot be tracked and ...
    Rule Medium Severity
  • SRG-NET-000335-VPN-001270

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to generate an alert that can be forwarded as an alert to organization-defined personnel and/or firewall administrator of all log failure events.

    &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
  • SRG-NET-000164-VPN-000560

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to validate certificates via a trustpoint that identifies a DoD or DoD-approved certificate authority.

    &lt;VulnDiscussion&gt;Without path validation, an informed trust decision by the relying party cannot be made when presented with any certificate n...
    Rule Medium Severity
  • SRG-NET-000512-VPN-002230

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to not accept certificates that have been revoked when using PKI for authentication.

    &lt;VulnDiscussion&gt;Situations may arise in which the certificate issued by a Certificate Authority (CA) may need to be revoked before the lifeti...
    Rule High Severity
  • SRG-NET-000512-VPN-002220

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to use Internet Key Exchange (IKE) for all IPsec security associations.

    &lt;VulnDiscussion&gt;Without IKE, the Security Parameter Index (SPI) is manually specified for each security association. IKE peers will negotiate...
    Rule High Severity
  • SRG-NET-000132-VPN-000460

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to use Internet Key Exchange v2 (IKEv2) for all IPsec security associations.

    &lt;VulnDiscussion&gt;In order to prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e....
    Rule Medium Severity
  • SRG-NET-000510-VPN-002180

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to use NIST FIPS-validated cryptography for Internet Key Exchange (IKE) Phase 1.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The VPN gatewa...
    Rule Medium Severity
  • SRG-NET-000371-VPN-001640

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to specify Perfect Forward Secrecy (PFS) for the IPsec Security Association (SA) during IKE Phase 2 negotiation.

    &lt;VulnDiscussion&gt;PFS generates each new encryption key independently from the previous key. Without PFS, compromise of one key will compromise...
    Rule Medium Severity
  • SRG-NET-000510-VPN-002160

    <GroupDescription></GroupDescription>
    Group
  • The Cisco ASA must be configured to use a FIPS-validated cryptographic module to generate cryptographic hashes.

    &lt;VulnDiscussion&gt;FIPS 140-2/140-3 precludes the use of invalidated cryptography for the cryptographic protection of sensitive or valuable data...
    Rule Medium Severity

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