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II - Mission Support Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000239

    <GroupDescription></GroupDescription>
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  • The operating system must audit all account modifications.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...
    Rule Medium Severity
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  • SRG-OS-000240

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must audit all account disabling actions.

    &lt;VulnDiscussion&gt;When operating system accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual...
    Rule Medium Severity
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  • SRG-OS-000241

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must audit all account removal actions.

    &lt;VulnDiscussion&gt;When operating system accounts are removed, user accessibility is affected. Accounts are utilized for identifying individual ...
    Rule Medium Severity
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  • SRG-OS-000250

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must implement cryptography to protect the integrity of remote access sessions.

    &lt;VulnDiscussion&gt;Without cryptographic integrity protections, information can be altered by unauthorized users without detection. Remote acce...
    Rule High Severity
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  • SRG-OS-000254

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must initiate session audits at system start-up.

    &lt;VulnDiscussion&gt;If auditing is enabled late in the start-up process, the actions of some start-up processes may not be audited. Some audit sy...
    Rule Medium Severity
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  • SRG-OS-000255

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must produce audit records containing information to establish the identity of any individual or process associated with the event.

    &lt;VulnDiscussion&gt;Without information that establishes the identity of the subjects (i.e., users or processes acting on behalf of users) associ...
    Rule Medium Severity
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  • SRG-OS-000256

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must protect audit tools from unauthorized access.

    &lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefo...
    Rule Medium Severity
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  • SRG-OS-000257

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must protect audit tools from unauthorized modification.

    &lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefo...
    Rule Medium Severity
    Show

  • SRG-OS-000258

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must protect audit tools from unauthorized deletion.

    &lt;VulnDiscussion&gt;Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefo...
    Rule Medium Severity
    Show

  • SRG-OS-000259

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must limit privileges to change software resident within software libraries.

    &lt;VulnDiscussion&gt; If the operating system were to allow any user to make changes to software libraries, then those changes might be implemente...
    Rule Medium Severity
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  • SRG-OS-000266

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must 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 o...
    Rule Medium Severity
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  • SRG-OS-000269

    <GroupDescription></GroupDescription>
    Group
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  • In the event of a system failure, the operating system must preserve any information necessary to determine cause of failure and any information necessary to return to operations with least disruption to mission processes.

    &lt;VulnDiscussion&gt;Failure to a known state can address safety or security in accordance with the mission/business needs of the organization. Fa...
    Rule Medium Severity
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  • SRG-OS-000274

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must notify system administrators and ISSOs when accounts are created.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...
    Rule Medium Severity
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  • SRG-OS-000275

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must notify system administrators and ISSOs when accounts are modified.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...
    Rule Medium Severity
    Show

  • SRG-OS-000276

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must notify system administrators and ISSOs when accounts are disabled.

    &lt;VulnDiscussion&gt;When operating system accounts are disabled, user accessibility is affected. Accounts are utilized for identifying individual...
    Rule Medium Severity
    Show

  • SRG-OS-000277

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must notify system administrators and ISSOs when accounts are removed.

    &lt;VulnDiscussion&gt;When operating system accounts are removed, user accessibility is affected. Accounts are utilized for identifying individual ...
    Rule Medium Severity
    Show

  • SRG-OS-000278

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must use cryptographic mechanisms to protect the integrity of audit tools.

    &lt;VulnDiscussion&gt;Protecting the integrity of the tools used for auditing purposes is a critical step toward ensuring the integrity of audit in...
    Rule High Severity
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  • SRG-OS-000279

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must automatically terminate a user session after inactivity time-outs have expired or at shutdown.

    &lt;VulnDiscussion&gt;Automatic session termination addresses the termination of user-initiated logical sessions in contrast to the termination of ...
    Rule Medium Severity
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  • SRG-OS-000280

    <GroupDescription></GroupDescription>
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  • The operating system must provide a logoff capability for user-initiated communications sessions when requiring user access authentication.

    &lt;VulnDiscussion&gt;If a user cannot explicitly end an operating system session, the session may remain open and be exploited by an attacker; thi...
    Rule Medium Severity
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  • SRG-OS-000281

    <GroupDescription></GroupDescription>
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  • The operating system must display an explicit logoff message to users indicating the reliable termination of authenticated communications sessions.

    &lt;VulnDiscussion&gt;If a user cannot explicitly end an operating system session, the session may remain open and be exploited by an attacker; thi...
    Rule Medium Severity
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  • SRG-OS-000297

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must control remote access methods.

    &lt;VulnDiscussion&gt;Remote access services, such as those providing remote access to network devices and information systems, which lack automate...
    Rule Medium Severity
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  • SRG-OS-000298

    <GroupDescription></GroupDescription>
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  • The operating system must provide the capability to immediately disconnect or disable remote access to the operating system.

    &lt;VulnDiscussion&gt;Without the ability to immediately disconnect or disable remote access, an attack or other compromise taking place would not ...
    Rule Medium Severity
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  • SRG-OS-000299

    <GroupDescription></GroupDescription>
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  • The operating system must protect wireless access to and from the system using encryption.

    &lt;VulnDiscussion&gt;Allowing devices and users to connect to or from the system without first authenticating them allows untrusted access and can...
    Rule Medium Severity
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  • SRG-OS-000300

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must protect wireless access to the system using authentication of users and/or devices.

    &lt;VulnDiscussion&gt;Allowing devices and users to connect to the system without first authenticating them allows untrusted access and can lead to...
    Rule Medium Severity
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  • SRG-OS-000303

    <GroupDescription></GroupDescription>
    Group
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  • The operating system must audit all account enabling actions.

    &lt;VulnDiscussion&gt;Once an attacker establishes access to a system, the attacker often attempts to create a persistent method of reestablishing ...
    Rule Medium Severity
    Show

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