Guide to the Secure Configuration of Oracle Linux 8
Rules, Groups, and Values defined within the XCCDF Benchmark
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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 -
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 -
Shutdown System When Auditing Failures Occur
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 line to to the bottom of a file...Rule Medium Severity -
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 -
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 -
Record Access Events to Audit Log Directory
The audit system should collect access events to read audit log directory. The following audit rule will assure that access to audit log directory are collected. <pre>-a always,exit -F dir=/var/log...Rule Medium Severity -
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 -
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 -
System Audit Logs Must Have Mode 0750 or Less Permissive
Verify the audit log directories have a mode of "0700" or less permissive by first determining where the audit logs are stored with the following command: <pre>$ sudo grep -iw log_file /etc/audit/...Rule Medium Severity -
System Audit Logs Must Be Owned By Root
All audit logs must be owned by root user and group. 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: <p...Rule Medium Severity -
System Audit Logs Must Be Owned By Root
All audit logs must be 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 log is...Rule Medium Severity -
Audit Configuration Files Permissions are 640 or More Restrictive
All audit configuration files permissions must be 640 or more restrictive.chmod 0640 /etc/audit/audit*.{rules,conf} /etc/audit/rules.d/*Rule Medium Severity -
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 -
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 -
Ensure auditd Collects Unauthorized Access Attempts to Files (unsuccessful)
At a minimum the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read au...Rule Medium Severity -
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 -
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 -
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 -
Records Events that Modify Date and Time Information
Arbitrary changes to the system time can be used to obfuscate nefarious activities in log files, as well as to confuse network services that are highly dependent upon an accurate system time. All c...Group -
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 -
Record Events that Modify the System's Discretionary Access Controls - chmod
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 -
Record Events that Modify the System's Discretionary Access Controls - fchmod
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 -
Record Events that Modify the System's Discretionary Access Controls - fchmodat
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 -
Record Events that Modify the System's Discretionary Access Controls - fchown
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 -
Record Events that Modify the System's Discretionary Access Controls - fchownat
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 -
Record Events that Modify the System's Discretionary Access Controls - fsetxattr
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 -
Record Events that Modify the System's Discretionary Access Controls - lchown
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 -
Record Events that Modify the System's Discretionary Access Controls - removexattr
At a minimum, the audit system should collect file permission changes for all users and root. <br> <br> If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> pr...Rule Medium Severity -
Record Events that Modify the System's Discretionary Access Controls - umount
At a minimum, the audit system should collect file system umount changes. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read audit rules during daemo...Rule Medium Severity -
Configure auditing of unsuccessful file creations
Ensure that unsuccessful attempts to create a file are audited. The following rules configure audit as described above: <pre>## Unsuccessful file creation (open with O_CREAT) -a always,exit -F arc...Rule Medium Severity -
Record Any Attempts to Run chacl
At a minimum, the audit system should collect any execution attempt of the <code>chacl</code> command for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...Rule Medium Severity -
Record Any Attempts to Run setfacl
At a minimum, the audit system should collect any execution attempt of the <code>setfacl</code> command for all users and root. If the <code>auditd</code> daemon is configured to use the <code>auge...Rule Medium Severity -
Record Any Attempts to Run chcon
At a minimum, the audit system should collect any execution attempt of the <code>chcon</code> command for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenr...Rule Medium Severity -
Record Any Attempts to Run restorecon
At a minimum, the audit system should collect any execution attempt of the <code>restorecon</code> command for all users and root. If the <code>auditd</code> daemon is configured to use the <code>a...Rule Medium Severity -
Record Any Attempts to Run setfiles
At a minimum, the audit system should collect any execution attempt of the <code>setfiles</code> command for all users and root. If the <code>auditd</code> daemon is configured to use the <code>aug...Rule Medium Severity -
Record Any Attempts to Run setsebool
At a minimum, the audit system should collect any execution attempt of the <code>setsebool</code> command for all users and root. If the <code>auditd</code> daemon is configured to use the <code>au...Rule Medium Severity -
Record Any Attempts to Run seunshare
At a minimum, the audit system should collect any execution attempt of the <code>seunshare</code> command for all users and root. If the <code>auditd</code> daemon is configured to use the <code>au...Rule Medium Severity -
Configure a Sufficiently Large Partition for Audit Logs
The Oracle Linux 8 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 rec...Rule Medium Severity -
Ensure auditd Collects File Deletion Events by User - rename
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...Rule Medium Severity -
Ensure auditd Collects File Deletion Events by User - renameat
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...Rule Medium Severity -
Ensure auditd Collects File Deletion Events by User - rmdir
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...Rule Medium Severity -
Ensure auditd Collects File Deletion Events by User - unlink
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...Rule Medium Severity -
Configure audispd's Plugin disk_full_action When Disk Is Full
Configure the action the operating system takes if the disk the audit records are written to becomes full. Edit the file <code>/etc/audit/audisp-remote.conf</code>. Add or modify the following line...Rule Medium Severity -
Record Successful Permission Changes to Files - chmod
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 -
Record Successful Ownership Changes to Files - chown
At a minimum, the audit system should collect file ownership changes 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 -
Record Successful Access Attempts to Files - creat
At a minimum, the audit system should collect unauthorized file accesses for all users and root. If the <code>auditd</code> daemon is configured to use the <code>augenrules</code> program to read a...Rule Medium Severity -
Record Successful Permission Changes to Files - fchmod
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 -
Record Successful Ownership Changes to Files - fchown
At a minimum, the audit system should collect file ownership changes 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 -
Record Successful Ownership Changes to Files - fchownat
At a minimum, the audit system should collect file ownership changes 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 -
Record Successful Permission Changes to Files - fremovexattr
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
Node 2
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