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II - Mission Support Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000379

    <GroupDescription></GroupDescription>
    Group
  • The operating system must authenticate all endpoint devices before establishing a local, remote, and/or network connection using bidirectional authentication that is cryptographically based.

    &lt;VulnDiscussion&gt;Without authenticating devices, unidentified or unknown devices may be introduced, thereby facilitating malicious activity. B...
    Rule Medium Severity
  • SRG-OS-000380

    <GroupDescription></GroupDescription>
    Group
  • The operating system must allow the use of a temporary password for system logons with an immediate change to a permanent password.

    &lt;VulnDiscussion&gt;Without providing this capability, an account may be created without a password. Non-repudiation cannot be guaranteed once an...
    Rule Medium Severity
  • SRG-OS-000383

    <GroupDescription></GroupDescription>
    Group
  • The operating system must prohibit the use of cached authenticators after one day.

    &lt;VulnDiscussion&gt;If cached authentication information is out-of-date, the validity of the authentication information may be questionable.&lt;/...
    Rule Medium Severity
  • SRG-OS-000384

    <GroupDescription></GroupDescription>
    Group
  • The operating system, for PKI-based authentication, must implement a local cache of revocation data to support path discovery and validation in case of the inability to access revocation information via the network.

    &lt;VulnDiscussion&gt;Without configuring a local cache of revocation data, there is the potential to allow access to users who are no longer autho...
    Rule Medium Severity
  • SRG-OS-000392

    <GroupDescription></GroupDescription>
    Group
  • The operating system must audit all activities performed during nonlocal maintenance and diagnostic sessions.

    &lt;VulnDiscussion&gt;If events associated with nonlocal administrative access or diagnostic sessions are not logged, a major tool for assessing an...
    Rule Medium Severity
  • SRG-OS-000393

    <GroupDescription></GroupDescription>
    Group
  • The operating system must implement cryptographic mechanisms to protect the integrity of nonlocal maintenance and diagnostic communications, when used for nonlocal maintenance sessions.

    &lt;VulnDiscussion&gt;Privileged access contains control and configuration information and is particularly sensitive, so additional protections are...
    Rule High Severity
  • SRG-OS-000394

    <GroupDescription></GroupDescription>
    Group
  • The operating system must implement cryptographic mechanisms to protect the confidentiality of nonlocal maintenance and diagnostic communications, when used for nonlocal maintenance sessions.

    &lt;VulnDiscussion&gt;Privileged access contains control and configuration information and is particularly sensitive, so additional protections are...
    Rule High Severity
  • SRG-OS-000395

    <GroupDescription></GroupDescription>
    Group
  • The operating system must verify remote disconnection at the termination of nonlocal maintenance and diagnostic sessions, when used for nonlocal maintenance sessions.

    &lt;VulnDiscussion&gt;If the remote connection is not closed and verified as closed, the session may remain open and be exploited by an attacker; t...
    Rule Medium Severity
  • SRG-OS-000396

    <GroupDescription></GroupDescription>
    Group
  • The operating system must implement NSA-approved cryptography to protect classified information in accordance with applicable federal laws, Executive Orders, directives, policies, regulations, and standards.

    &lt;VulnDiscussion&gt;Use of weak or untested encryption algorithms undermines the purposes of utilizing encryption to protect data. The operating ...
    Rule High Severity
  • SRG-OS-000403

    <GroupDescription></GroupDescription>
    Group
  • The operating system must only allow the use of DoD PKI-established certificate authorities for authentication in the establishment of protected sessions to the operating system.

    &lt;VulnDiscussion&gt;Untrusted Certificate Authorities (CA) can issue certificates, but they may be issued by organizations or individuals that se...
    Rule Medium Severity

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