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UBTU-24-901380 - Ubuntu 24.04 LTS must be configured so that the audit log directory is not write-accessible by unauthorized users.
Information
If audit information were to become compromised, then forensic analysis and discovery of the true source of potentially malicious system activity is impossible to achieve.To ensure the veracity of audit information, Ubuntu 24.04 LTS must protect audit information from unauthorized deletion. This requirement can be achieved through multiple methods, which will depend upon system architecture and design.
Audit information includes all information (e.g., audit records, audit settings, audit reports) needed to successfully audit information system activity.
Solution
Configure the audit log directory to have a mode of "0750" or less permissive.Determine where the audit logs are stored with the following command:
$ sudo grep -iw ^log_file /etc/audit/auditd.conf
log_file = /var/log/audit/audit.log
Using the path of the directory containing the audit logs, configure the audit log directory to have a mode of "0750" or less permissive by using the following command:
$ sudo chmod -R 750 /var/log/audit
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_CAN_Ubuntu_24-04_LTS_V1R4_STIG.zip
Item Details
Audit Name: DISA Canonical Ubuntu 24.04 LTS STIG v1r4
Category: AUDIT AND ACCOUNTABILITY
References: 800-53|AU-9, CAT|II, CCI|CCI-000164, Rule-ID|SV-270830r1068397_rule, STIG-ID|UBTU-24-901380, Vuln-ID|V-270830
Plugin: Unix
Control ID: 963a085b49183705625ca704b2299fdea2b755174d88ca44d135d05cdc2c7a16