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III - Administrative Classified

Rules and Groups employed by this XCCDF Profile

  • SRG-OS-000191-GPOS-00080

    <GroupDescription></GroupDescription>
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  • SLEM 5 must implement an endpoint security tool.

    &lt;VulnDiscussion&gt;Adding endpoint security tools can provide the capability to automatically take actions in response to malicious behavior, wh...
    Rule Medium Severity
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  • SRG-OS-000023-GPOS-00006

    <GroupDescription></GroupDescription>
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  • SLEM 5 must display the Standard Mandatory DOD Notice and Consent Banner before granting any local or remote connection to the system.

    &lt;VulnDiscussion&gt;Display of a standardized and approved use notification before granting access to SLEM 5 ensures privacy and security notific...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SLEM 5 must disable the x86 Ctrl-Alt-Delete key sequence.

    &lt;VulnDiscussion&gt;A locally logged-on user who presses Ctrl-Alt-Delete when at the console can reboot the system. If accidentally pressed, as c...
    Rule High Severity
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  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
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  • SLEM 5 with a basic input/output system (BIOS) must require authentication upon booting into single-user and maintenance modes.

    &lt;VulnDiscussion&gt;To mitigate the risk of unauthorized access to sensitive information by entities that have been issued certificates by DOD-ap...
    Rule High Severity
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  • SRG-OS-000080-GPOS-00048

    <GroupDescription></GroupDescription>
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  • SLEM 5 with Unified Extensible Firmware Interface (UEFI) implemented must require authentication upon booting into single-user mode and maintenance.

    &lt;VulnDiscussion&gt;If the system allows a user to boot into single-user or maintenance mode without authentication, any user that invokes single...
    Rule High Severity
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  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
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  • SLEM 5 must restrict access to the kernel message buffer.

    &lt;VulnDiscussion&gt;Restricting access to the kernel message buffer limits access only to root. This prevents attackers from gaining additional s...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SLEM 5 kernel core dumps must be disabled unless needed.

    &lt;VulnDiscussion&gt;Kernel core dumps may contain the full contents of system memory at the time of the crash. Kernel core dumps may consume a co...
    Rule Medium Severity
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  • SRG-OS-000433-GPOS-00193

    <GroupDescription></GroupDescription>
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  • Address space layout randomization (ASLR) must be implemented by SLEM 5 to protect memory from unauthorized code execution.

    &lt;VulnDiscussion&gt;Some adversaries launch attacks with the intent of executing code in nonexecutable regions of memory or in memory locations t...
    Rule Medium Severity
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  • SRG-OS-000433-GPOS-00192

    <GroupDescription></GroupDescription>
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  • SLEM 5 must implement kptr-restrict to prevent the leaking of internal kernel addresses.

    &lt;VulnDiscussion&gt;Some adversaries launch attacks with the intent of executing code in nonexecutable regions of memory or in memory locations t...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • Vendor-packaged SLEM 5 security patches and updates must be installed and up to date.

    &lt;VulnDiscussion&gt;Timely patching is critical for maintaining the operational availability, confidentiality, and integrity of information techn...
    Rule Medium Severity
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  • SRG-OS-000366-GPOS-00153

    <GroupDescription></GroupDescription>
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  • The SLEM 5 tool zypper must have gpgcheck enabled.

    &lt;VulnDiscussion&gt;Changes to any software components can have significant effects on the overall security of SLEM 5. This requirement ensures t...
    Rule High Severity
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  • SRG-OS-000437-GPOS-00194

    <GroupDescription></GroupDescription>
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  • SLEM 5 must remove all outdated software components after updated versions have been installed.

    &lt;VulnDiscussion&gt;Previous versions of software components that are not removed from the information system after updates have been installed m...
    Rule Medium Severity
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  • SRG-OS-000028-GPOS-00009

    <GroupDescription></GroupDescription>
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  • SLEM 5 must use vlock to allow for session locking.

    &lt;VulnDiscussion&gt;A session lock is a temporary action taken when a user stops work and moves away from the immediate physical vicinity of the ...
    Rule Medium Severity
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  • SRG-OS-000074-GPOS-00042

    <GroupDescription></GroupDescription>
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  • SLEM 5 must not have the telnet-server package installed.

    &lt;VulnDiscussion&gt;It is detrimental for SLEM 5 to provide, or install by default, functionality exceeding requirements or mission objectives. T...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • A separate file system must be used for SLEM 5 user home directories (such as /home or an equivalent).

    &lt;VulnDiscussion&gt;The use of separate file systems for different paths can protect the system from failures resulting from a file system becomi...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SLEM 5 must use a separate file system for /var.

    &lt;VulnDiscussion&gt;The use of separate file systems for different paths can protect the system from failures resulting from a file system becomi...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SLEM 5 must use a separate file system for the system audit data path.

    &lt;VulnDiscussion&gt;The use of separate file systems for different paths can protect the system from failures resulting from a file system becomi...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SLEM 5 file systems that are being imported via Network File System (NFS) must be mounted to prevent files with the setuid and setgid bit set from being executed.

    &lt;VulnDiscussion&gt;The "nosuid" mount option causes the system to not execute "setuid" and "setgid" files with owner privileges. This option mus...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SLEM 5 file systems that are being imported via Network File System (NFS) must be mounted to prevent binary files from being executed.

    &lt;VulnDiscussion&gt;The "noexec" mount option causes the system to not execute binary files. This option must be used for mounting any file syste...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SLEM 5 file systems that are used with removable media must be mounted to prevent files with the setuid and setgid bit set from being executed.

    &lt;VulnDiscussion&gt;The "nosuid" mount option causes the system to not execute "setuid" and "setgid" files with owner privileges. This option mus...
    Rule Medium Severity
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  • SRG-OS-000185-GPOS-00079

    <GroupDescription></GroupDescription>
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  • All SLEM 5 persistent disk partitions must implement cryptographic mechanisms to prevent unauthorized disclosure or modification of all information that requires at-rest protection.

    &lt;VulnDiscussion&gt;SLEM 5 handling data requiring data-at-rest protections must employ cryptographic mechanisms to prevent unauthorized disclosu...
    Rule High Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SLEM 5 file systems that contain user home directories must be mounted to prevent files with the setuid and setgid bit set from being executed.

    &lt;VulnDiscussion&gt;The "nosuid" mount option causes the system to not execute setuid and setgid files with owner privileges. This option must be...
    Rule Medium Severity
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  • SRG-OS-000114-GPOS-00059

    <GroupDescription></GroupDescription>
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  • SLEM 5 must disable the file system automounter unless required.

    &lt;VulnDiscussion&gt;Automatically mounting file systems permits easy introduction of unknown devices, thereby facilitating malicious activity.&lt...
    Rule Medium Severity
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  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
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  • SLEM 5 must have directories that contain system commands set to a mode of 755 or less permissive.

    &lt;VulnDiscussion&gt;If SLEM 5 were to allow any user to make changes to software libraries, then those changes might be implemented without under...
    Rule Medium Severity
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  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
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  • SLEM 5 must have system commands set to a mode of 755 or less permissive.

    &lt;VulnDiscussion&gt;If SLEM 5 were to allow any user to make changes to software libraries, then those changes might be implemented without under...
    Rule Medium Severity
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siemur/test-space

The content of the drawer really is up to you. It could have form fields, definition lists, text lists, labels, charts, progress bars, etc. Spacing recommendation is 24px margins. You can put tabs in here, and can also make the drawer scrollable.

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