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SLES 12 Security Technical Implementation Guide

Rules, Groups, and Values defined within the XCCDF Benchmark

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • SUSE operating system 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-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • A separate file system must be used for SUSE operating system 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 Low Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The SUSE operating system 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 Low Severity
    Show

  • SRG-OS-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The SUSE operating system 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 Low Severity
    Show

  • SRG-OS-000206-GPOS-00084

    <GroupDescription></GroupDescription>
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  • The SUSE operating system 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-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The SUSE operating system must be configured to not overwrite Pluggable Authentication Modules (PAM) configuration on package changes.

    &lt;VulnDiscussion&gt;"pam-config" is a command line utility that automatically generates a system PAM configuration as packages are installed, upd...
    Rule Medium Severity
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  • SRG-OS-000337-GPOS-00129

    <GroupDescription></GroupDescription>
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  • The SUSE operating system must have the auditing package installed.

    &lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it...
    Rule Medium Severity
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  • SRG-OS-000037-GPOS-00015

    <GroupDescription></GroupDescription>
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  • SUSE operating system audit records must contain information to establish what type of events occurred, the source of events, where events occurred, and the outcome of events.

    &lt;VulnDiscussion&gt;Without establishing what type of events occurred, the source of events, where events occurred, and the outcome of events, it...
    Rule Medium Severity
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  • SRG-OS-000341-GPOS-00132

    <GroupDescription></GroupDescription>
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  • The SUSE operating system 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;To ensure SUSE operating systems have a sufficient storage capacity in which to write the audit logs, SUSE operating systems ...
    Rule Medium Severity
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  • SRG-OS-000343-GPOS-00134

    <GroupDescription></GroupDescription>
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  • The SUSE operating system auditd service must notify the System Administrator (SA) and Information System Security Officer (ISSO) immediately when audit storage capacity is 75 percent full.

    &lt;VulnDiscussion&gt;If security personnel are not notified immediately when storage volume reaches 75 percent utilization, they are unable to pla...
    Rule Medium Severity
    Show

  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
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  • The Information System Security Officer (ISSO) and System Administrator (SA), at a minimum, must be alerted of a SUSE operating system audit processing failure event.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
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  • SRG-OS-000046-GPOS-00022

    <GroupDescription></GroupDescription>
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  • The Information System Security Officer (ISSO) and System Administrator (SA), at a minimum, must have mail aliases to be notified of a SUSE operating system audit processing failure.

    &lt;VulnDiscussion&gt;It is critical for the appropriate personnel to be aware if a system is at risk of failing to process audit logs as required....
    Rule Medium Severity
    Show

  • SRG-OS-000047-GPOS-00023

    <GroupDescription></GroupDescription>
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  • The SUSE operating system audit system must take appropriate action when the audit storage volume is full.

    &lt;VulnDiscussion&gt;It is critical that when the SUSE operating system is at risk of failing to process audit logs as required, it takes action t...
    Rule Medium Severity
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  • SRG-OS-000342-GPOS-00133

    <GroupDescription></GroupDescription>
    Group
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  • The audit-audispd-plugins must be installed on the SUSE operating system.

    &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-000342-GPOS-00133

    <GroupDescription></GroupDescription>
    Group
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  • The SUSE operating system audit event multiplexor must be configured to use Kerberos.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Allowing devices and us...
    Rule Low Severity
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  • SRG-OS-000342-GPOS-00133

    <GroupDescription></GroupDescription>
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  • Audispd must off-load audit records onto a different system or media from the SUSE operating system being audited.

    &lt;VulnDiscussion&gt;Information stored in one location is vulnerable to accidental or incidental deletion or alteration. Off-loading is a common...
    Rule Low Severity
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  • SRG-OS-000479-GPOS-00224

    <GroupDescription></GroupDescription>
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  • The audit system must take appropriate action when the network cannot be used to off-load audit records.

    &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-000479-GPOS-00224

    <GroupDescription></GroupDescription>
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  • Audispd must take appropriate action when the SUSE operating system audit storage is full.

    &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-000057-GPOS-00027

    <GroupDescription></GroupDescription>
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  • The SUSE operating system must protect audit rules from unauthorized modification.

    &lt;VulnDiscussion&gt;Without the capability to restrict which roles and individuals can select which events are audited, unauthorized personnel ma...
    Rule Medium Severity
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  • SRG-OS-000256-GPOS-00097

    <GroupDescription></GroupDescription>
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  • The SUSE operating system audit tools must have the proper permissions configured to protect against 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-000480-GPOS-00227

    <GroupDescription></GroupDescription>
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  • The SUSE operating system must not disable syscall auditing.

    &lt;VulnDiscussion&gt;By default, the SUSE operating system includes the "-a task,never" audit rule as a default. This rule suppresses syscall audi...
    Rule Medium Severity
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  • SRG-OS-000004-GPOS-00004

    <GroupDescription></GroupDescription>
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  • The SUSE operating system must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/passwd.

    &lt;VulnDiscussion&gt;Once an attacker establishes initial access to a system, the attacker often attempts to create a persistent method of reestab...
    Rule Medium Severity
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  • SRG-OS-000004-GPOS-00004

    <GroupDescription></GroupDescription>
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  • The SUSE operating system must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/group.

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

  • SRG-OS-000004-GPOS-00004

    <GroupDescription></GroupDescription>
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  • The SUSE operating system must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/shadow.

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

  • SRG-OS-000004-GPOS-00004

    <GroupDescription></GroupDescription>
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  • The SUSE operating system must generate audit records for all account creations, modifications, disabling, and termination events that affect /etc/opasswd.

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