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SUSE Linux Enterprise Server 15 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000423-GPOS-00187

    <GroupDescription></GroupDescription>
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  • All networked SUSE operating systems must have and implement SSH to protect the confidentiality and integrity of transmitted and received information, as well as information during preparation for transmission.

    &lt;VulnDiscussion&gt;Without protection of the transmitted information, confidentiality and integrity may be compromised because unprotected commu...
    Rule High Severity
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  • SRG-OS-000433-GPOS-00192

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  • The SUSE operating system 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-000433-GPOS-00193

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  • Address space layout randomization (ASLR) must be implemented by the SUSE operating system 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-000437-GPOS-00194

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  • The SUSE operating system 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-000447-GPOS-00201

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  • The SUSE operating system must notify the System Administrator (SA) when Advanced Intrusion Detection Environment (AIDE) discovers anomalies in the operation of any security functions.

    &lt;VulnDiscussion&gt;If anomalies are not acted on, security functions may fail to secure the system. Security function is defined as the hardwa...
    Rule Medium Severity
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  • SRG-OS-000479-GPOS-00224

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  • The SUSE operating system must off-load rsyslog messages for networked systems in real time and off-load standalone systems at least weekly.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Medium Severity
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  • SRG-OS-000002-GPOS-00002

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  • The SUSE operating system must provision temporary accounts with an expiration date for 72 hours.

    &lt;VulnDiscussion&gt;If temporary user accounts remain active when no longer needed or for an excessive period, these accounts may be used to gain...
    Rule Medium Severity
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  • SRG-OS-000021-GPOS-00005

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  • The SUSE operating system must lock an account after three consecutive invalid access attempts.

    &lt;VulnDiscussion&gt;By limiting the number of failed access attempts, the risk of unauthorized system access via user password guessing, otherwis...
    Rule Medium Severity
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  • SRG-OS-000027-GPOS-00008

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  • The SUSE operating system must limit the number of concurrent sessions to 10 for all accounts and/or account types.

    &lt;VulnDiscussion&gt;SUSE operating system management includes the ability to control the number of users and user sessions that utilize a SUSE op...
    Rule Low Severity
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  • SRG-OS-000068-GPOS-00036

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  • The SUSE operating system must implement multifactor authentication for access to privileged accounts via pluggable authentication modules (PAM).

    &lt;VulnDiscussion&gt;Using an authentication device, such as a Common Access Card (CAC) or token that is separate from the information system, ens...
    Rule Medium Severity
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