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


Finding ID Version Rule ID IA Controls Severity
V-219197 UBTU-18-010130 SV-219197r610963_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. The Ubuntu operating system 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.
Canonical Ubuntu 18.04 LTS Security Technical Implementation Guide 2022-12-06


Check Text ( C-20922r304919_chk )
Verify the Ubuntu operating system configures the audit tools to be group-owned by root to prevent any unauthorized access, deletion, or modification.

For each audit tools,
/sbin/auditctl, /sbin/aureport, /sbin/ausearch, /sbin/autrace, /sbin/auditd, /sbin/audispd, /sbin/augenrules

Check the group-owner of each audit tool by running the following commands:

stat -c "%n %G" /sbin/auditctl

/sbin/auditctl root

If any of the audit tools are not group-owned by root, this is a finding.
Fix Text (F-20921r304920_fix)
Configure the audit tools on the Ubuntu operating system to be group-owned by root, by running the following command:

# sudo chgrp root [audit_tool]

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