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The Ubuntu operating system must configure audit tools to be owned by root.


Finding ID Version Rule ID IA Controls Severity
V-238301 UBTU-20-010200 SV-238301r654078_rule Medium
Protecting audit information also includes identifying and protecting the tools used to view and manipulate log data. Therefore, protecting audit tools is necessary to prevent unauthorized operation on audit information. Operating systems providing tools to interface with audit information will leverage user permissions and roles identifying the user accessing the tools and the corresponding rights the user enjoys in order to make access decisions regarding the access to audit tools. Audit tools include, but are not limited to, vendor-provided and open source audit tools needed to successfully view and manipulate audit information system activity and records. Audit tools include custom queries and report generators. Satisfies: SRG-OS-000256-GPOS-00097, SRG-OS-000257-GPOS-00098
Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide 2022-09-07


Check Text ( C-41511r654076_chk )
Verify the Ubuntu operating system configures the audit tools to be owned by root to prevent any unauthorized access.

Check the ownership by running the following command:

$ stat -c "%n %U" /sbin/auditctl /sbin/aureport /sbin/ausearch /sbin/autrace /sbin/auditd /sbin/audispd /sbin/augenrules

/sbin/auditctl root
/sbin/aureport root
/sbin/ausearch root
/sbin/autrace root
/sbin/auditd root
/sbin/audispd root
/sbin/augenrules root

If any of the audit tools are not owned by root, this is a finding.
Fix Text (F-41470r654077_fix)
Configure the audit tools on the Ubuntu operating system to be protected from unauthorized access by setting the file owner as root using the following command:

$ sudo chown root [audit_tool]

Replace "[audit_tool]" with each audit tool not owned by root.