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SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000114-GPOS-00059

    <GroupDescription></GroupDescription>
    Group
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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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
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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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • 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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
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  • SLEM 5 library directories must have mode 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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • SLEM 5 library files must have mode 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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • All SLEM 5 local interactive user home directories must have mode 750 or less permissive.

    &lt;VulnDiscussion&gt;Excessive permissions on local interactive user home directories may allow unauthorized access to user files by other users.&...
    Rule Medium Severity
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  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • All SLEM 5 local initialization files must have mode 740 or less permissive.

    &lt;VulnDiscussion&gt;Local initialization files are used to configure the user's shell environment upon logon. Malicious modification of these fil...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • SLEM 5 SSH daemon public host key files must have mode 644 or less permissive.

    &lt;VulnDiscussion&gt;If a public host key file is modified by an unauthorized user, the SSH service may be compromised.&lt;/VulnDiscussion&gt;&lt;...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
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  • SLEM 5 library files must be owned by root.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • SLEM 5 library files must be group-owned by root.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • SLEM 5 library directories must be owned by root.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • SLEM 5 library directories must be group-owned by root.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • SLEM 5 must have system commands owned by root.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • SLEM 5 must have system commands group-owned by root or a system account.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • SLEM 5 must have directories that contain system commands owned by root.

    &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
    Show

  • SRG-OS-000259-GPOS-00100

    <GroupDescription></GroupDescription>
    Group
    Show

  • SLEM 5 must have directories that contain system commands group-owned by root.

    &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
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • All SLEM 5 files and directories must have a valid owner.

    &lt;VulnDiscussion&gt;Unowned files and directories may be unintentionally inherited if a user is assigned the same User Identifier (UID) as the UI...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • All SLEM 5 files and directories must have a valid group owner.

    &lt;VulnDiscussion&gt;Files without a valid group owner may be unintentionally inherited if a group is assigned the same Group Identifier (GID) as ...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • All SLEM 5 local interactive user home directories must be group-owned by the home directory owner's primary group.

    &lt;VulnDiscussion&gt;If the Group Identifier (GID) of a local interactive user's home directory is not the same as the primary GID of the user, th...
    Rule Medium Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
    Group
    Show

  • All SLEM 5 world-writable directories must be group-owned by root, sys, bin, or an application group.

    &lt;VulnDiscussion&gt;If a world-writable directory has the sticky bit set and is not group-owned by a privileged Group Identifier (GID), unauthori...
    Rule Medium Severity
    Show

  • SRG-OS-000138-GPOS-00069

    <GroupDescription></GroupDescription>
    Group
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  • The sticky bit must be set on all SLEM 5 world-writable directories.

    &lt;VulnDiscussion&gt;Preventing unauthorized information transfers mitigates the risk of information, including encrypted representations of infor...
    Rule Medium Severity
    Show

  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
    Group
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  • SLEM 5 must prevent unauthorized users from accessing system error messages.

    &lt;VulnDiscussion&gt;Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an orga...
    Rule Medium Severity
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  • SRG-OS-000205-GPOS-00083

    <GroupDescription></GroupDescription>
    Group
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  • SLEM 5 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 structu...
    Rule Medium Severity
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  • SRG-OS-000096-GPOS-00050

    <GroupDescription></GroupDescription>
    Group
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  • SLEM 5 must be configured to prohibit or restrict the use of functions, ports, protocols, and/or services as defined in the Ports, Protocols, and Services Management (PPSM) Category Assignments List (CAL) and vulnerability assessments.

    &lt;VulnDiscussion&gt;To prevent unauthorized connection of devices, unauthorized transfer of information, or unauthorized tunneling (i.e., embeddi...
    Rule Medium Severity
    Show

  • SRG-OS-000355-GPOS-00143

    <GroupDescription></GroupDescription>
    Group
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  • SLEM 5 clock must, for networked systems, be synchronized to an authoritative DOD time source at least every 24 hours.

    &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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