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Guide to the Secure Configuration of Oracle Linux 9

Rules, Groups, and Values defined within the XCCDF Benchmark

  • System Audit Logs Must Be Group Owned By Root

    All audit logs must be group owned by root user. The path for audit log can be configured via <code>log_file</code> parameter in <pre>/etc/audit/auditd.conf</pre> or, by default, the path for audit...
    Rule Medium Severity
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  • Ensure auditd Collects System Administrator Actions - /etc/sudoers

    At a minimum, the audit system should collect administrator actions for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit ...
    Rule Medium Severity
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  • Ensure auditd Collects System Administrator Actions

    At a minimum, the audit system should collect administrator actions for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit ...
    Rule Medium Severity
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  • Record Events that Modify User/Group Information

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following lines to a file with suffix <co...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information - /etc/group

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following lines to a file with suffix <co...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information - /etc/security/opasswd

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following lines to a file with suffix <co...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information - /etc/passwd

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following lines to a file with suffix <co...
    Rule Medium Severity
    Show

  • Record Events that Modify User/Group Information - /etc/shadow

    If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemon startup (the default), add the following lines to a file with suffix <co...
    Rule Medium Severity
    Show

  • System Audit Directories Must Be Group Owned By Root

    All audit directories must be group owned by root user. By default, the path for audit log is <pre>/var/log/audit/</pre>. To properly set the group owner of <code>/var/log/audit</code>, run the co...
    Rule Medium Severity
    Show

  • System Audit Directories Must Be Owned By Root

    All audit directories must be owned by root user. By default, the path for audit log is <pre>/var/log/audit/</pre>. To properly set the owner of <code>/var/log/audit</code>, run the command: <pre>...
    Rule Medium Severity
    Show

  • Audit Configuration Files Must Be Owned By Group root

    All audit configuration files must be owned by group root. 
    chown :root /etc/audit/audit*.{rules,conf} /etc/audit/rules.d/*
    Rule Medium Severity
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  • System Audit Logs Must Have Mode 0640 or Less Permissive

    Determine where the audit logs are stored with the following command: <pre>$ sudo grep -iw log_file /etc/audit/auditd.conf log_file = /var/log/audit/audit.log</pre> Configure the audit log to be p...
    Rule Medium Severity
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  • Record Execution Attempts to Run ACL Privileged Commands

    At a minimum, the audit system should collect the execution of ACL privileged commands for all users and root.
    Group
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  • Record Execution Attempts to Run SELinux Privileged Commands

    At a minimum, the audit system should collect the execution of SELinux privileged commands for all users and root.
    Group
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  • Record File Deletion Events by User

    At a minimum, the audit system should collect file deletion events for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit r...
    Group
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  • Record Unauthorized Access Attempts Events to Files (unsuccessful)

    At a minimum, the audit system should collect unauthorized file accesses for all users and root. Note that the "-F arch=b32" lines should be present even on a 64 bit system. These commands identify...
    Group
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  • Record Information on Kernel Modules Loading and Unloading

    To capture kernel module loading and unloading events, use following lines, setting ARCH to either b32 for 32-bit system, or having two lines for both b32 and b64 in case your system is 64-bit: <pr...
    Group
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  • Record Information on the Use of Privileged Commands

    At a minimum, the audit system should collect the execution of privileged commands for all users and root.
    Group
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  • Record Attempts to Alter Logon and Logout Events

    The audit system already collects login information for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during dae...
    Group
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  • Record Events that Modify the System's Discretionary Access Controls - chown

    At a minimum, the audit system should collect file permission changes for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audi...
    Rule Medium Severity
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