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UBTU-22-653055 Ubuntu 22.04 LTS must permit only authorized groups ownership of the audit log files.

DISA STIG library V2R10
All changes in this version
first version loaded CAT II

Maps to AU-9 via CCI-000162, CCI-000163, CCI-000164

Title

Ubuntu 22.04 LTS must permit only authorized groups ownership of the audit log files.

Control

Verify the group owner of newly created audit logs is "root" by using the following command: $ sudo grep -iw log_group /etc/audit/auditd.conf log_group = root If "log_group" is not set to "root", this is a finding.

Discussion

Unauthorized disclosure of audit records can reveal system and configuration data to attackers, thus compromising its confidentiality. Audit information includes all information (e.g., audit records, audit settings, audit reports) needed to successfully audit operating system activity. Satisfies: SRG-OS-000057-GPOS-00027, SRG-OS-000058-GPOS-00028, SRG-OS-000059-GPOS-00029

Related controls

CCI-000162, CCI-000163, CCI-000164

Fix

Configure the group owner of newly created audit logs to be "root". Add or modify the following lines in the "/etc/audit/auditd.conf " file: log_group = root Reload the configuration file of the audit service to update the group ownership of existing files: $ sudo systemctl kill auditd -s SIGHUP