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III - Administrative Public

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000228-GPOS-00088

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  • Any publicly accessible connection to SSMC must display the Standard Mandatory DOD Notice and Consent Banner before granting access to the system.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to the publicly accessible operating system en...
    Rule Medium Severity
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  • SRG-OS-000023-GPOS-00006

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  • SSMC must display the Standard Mandatory DOD Notice and Consent Banner before granting local or remote access to the system.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to SSMC ensures privacy and security notificat...
    Rule Medium Severity
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  • SRG-OS-000125-GPOS-00065

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  • SSMC 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 Medium Severity
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  • SRG-OS-000480-GPOS-00226

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  • SSMC must enforce a delay of at least four seconds between logon prompts following a failed logon attempt.

    &lt;VulnDiscussion&gt;Limiting the number of logon attempts over a certain time interval reduces the chances that an unauthorized user may gain acc...
    Rule Medium Severity
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  • SRG-OS-000078-GPOS-00046

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  • SSMC must enforce a minimum 15-character password length.

    &lt;VulnDiscussion&gt;The shorter the password, the lower the number of possible combinations that need to be tested before the password is comprom...
    Rule Medium Severity
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  • SRG-OS-000205-GPOS-00083

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  • SSMC must generate error messages that provide information necessary for corrective actions without revealing information that could be exploited by adversaries.

    &lt;VulnDiscussion&gt; Any operating system providing too much information in error messages risks compromising the data and security of the struct...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

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  • SSMC must be configured to offload logs to a SIEM that is configured to alert the ISSO or SA when the local built-in admin account (ssmcadmin) is accessed.

    &lt;VulnDiscussion&gt;Configuring the operating system to implement organization-wide security implementation guides and security checklists ensure...
    Rule Medium Severity
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  • SRG-OS-000356-GPOS-00144

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  • SSMC must synchronize internal information system clocks to the authoritative time source when the time difference is greater than one second.

    &lt;VulnDiscussion&gt;Inaccurate time stamps make it more difficult to correlate events and can lead to an inaccurate analysis. Determining the cor...
    Rule Medium Severity
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  • SRG-OS-000066-GPOS-00034

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  • For PKI-based authentication, SSMC must validate certificates by constructing a certification path (which includes status information) to an accepted trust anchor.

    &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
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  • SRG-OS-000021-GPOS-00005

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  • SSMC must enforce the limit of three consecutive invalid logon attempts by a nonadministrative user.

    &lt;VulnDiscussion&gt;By limiting the number of failed logon attempts, the risk of unauthorized system access via user password guessing, otherwise...
    Rule Low Severity
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  • SRG-OS-000163-GPOS-00072

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  • SSMC 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.

    &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
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  • SRG-OS-000324-GPOS-00125

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  • SSMC must prevent nonprivileged users from executing privileged functions to include disabling, circumventing, or altering implemented security safeguards/countermeasures.

    &lt;VulnDiscussion&gt;Preventing nonprivileged users from executing privileged functions mitigates the risk that unauthorized individuals or proces...
    Rule Medium Severity
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  • SRG-OS-000062-GPOS-00031

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  • SSMC must provide audit record generation capability for DOD-defined auditable events for all operating system components.

    &lt;VulnDiscussion&gt;Without the capability to generate audit records, it would be difficult to establish, correlate, and investigate the events r...
    Rule Low Severity
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  • SRG-OS-000341-GPOS-00132

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  • SSMC must allocate audit record storage capacity to store at least one weeks' worth of audit records, when audit records are not immediately sent to a central audit record storage facility.

    &lt;VulnDiscussion&gt;In order to ensure operating systems have a sufficient storage capacity in which to write the audit logs, operating systems n...
    Rule Medium Severity
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siemur/test-space

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