Ubuntu 22.04

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

STIG ID: UBTU-22-653055 | SRG: SRG-OS-000057-GPOS-00027 | Severity: Medium | CCI: CCI-000162,CCI-000163,CCI-000164 | Vulnerability ID: V-260599

Description

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

Check

C-64328r953608_chk

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.

Fix

F-64236r953609_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