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II - Mission Support Sensitive

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000122

    <GroupDescription></GroupDescription>
    Group
  • The operating system must provide an audit reduction capability that supports on-demand reporting requirements.

    &lt;VulnDiscussion&gt;The ability to generate on-demand reports, including after the audit data has been subjected to audit reduction, greatly faci...
    Rule Medium Severity
  • SRG-OS-000123

    <GroupDescription></GroupDescription>
    Group
  • The information system must automatically remove or disable emergency accounts after the crisis is resolved or 72 hours.

    &lt;VulnDiscussion&gt;Emergency accounts are privileged accounts that are established in response to crisis situations where the need for rapid acc...
    Rule Medium Severity
  • SRG-OS-000125

    <GroupDescription></GroupDescription>
    Group
  • The operating system must employ strong authenticators in the establishment of nonlocal maintenance and diagnostic sessions.

    &lt;VulnDiscussion&gt;If maintenance tools are used by unauthorized personnel, they may accidentally or intentionally damage or compromise the syst...
    Rule High Severity
  • SRG-OS-000126

    <GroupDescription></GroupDescription>
    Group
  • The operating system must terminate all sessions and network connections related to nonlocal maintenance when nonlocal maintenance is completed.

    &lt;VulnDiscussion&gt; If a maintenance session or connection remains open after maintenance is completed, it may be hijacked by an attacker and us...
    Rule Medium Severity
  • SRG-OS-000132

    <GroupDescription></GroupDescription>
    Group
  • The operating system must separate user functionality (including user interface services) from operating system management functionality.

    &lt;VulnDiscussion&gt;Operating system management functionality includes functions necessary for administration and requires privileged user access...
    Rule Medium Severity
  • SRG-OS-000134

    <GroupDescription></GroupDescription>
    Group
  • The operating system must isolate security functions from nonsecurity functions.

    &lt;VulnDiscussion&gt;An isolation boundary provides access control and protects the integrity of the hardware, software, and firmware that perform...
    Rule Medium Severity
  • SRG-OS-000138

    <GroupDescription></GroupDescription>
    Group
  • Operating systems must prevent unauthorized and unintended information transfer via shared system resources.

    &lt;VulnDiscussion&gt;Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...
    Rule Medium Severity
  • SRG-OS-000142

    <GroupDescription></GroupDescription>
    Group
  • The operating system must manage excess capacity, bandwidth, or other redundancy to limit the effects of information flooding types of Denial of Service (DoS) attacks.

    &lt;VulnDiscussion&gt;DoS is a condition when a resource is not available for legitimate users. When this occurs, the organization either cannot ac...
    Rule Medium Severity
  • SRG-OS-000163

    <GroupDescription></GroupDescription>
    Group
  • The operating system must terminate all network connections associated with a communications session at the end of the session, or as follows: for in-band management sessions (privileged sessions), the session must be terminated after 10 minutes of inactivity; and for user sessions (non-privileged session), the session must be terminated after 15 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 Medium Severity
  • SRG-OS-000184

    <GroupDescription></GroupDescription>
    Group
  • The operating system must fail to a secure state if system initialization fails, shutdown fails, or aborts fail.

    &lt;VulnDiscussion&gt;Failure to a known safe state helps prevent systems from failing to a state that may cause loss of data or unauthorized acces...
    Rule Medium Severity

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