Detections
Analytics
AZLX-23-002275 - Amazon Linux 2023 audit logs file must have mode "0600" or less permissive to prevent unauthorized access to the audit log.
Information
Only authorized personnel should be aware of errors and the details of the errors. Error messages are an indicator of an organization's operational state or can identify Amazon Linux 2023 or platform. Additionally, Personally Identifiable Information (PII) and operational information must not be revealed through error messages to unauthorized personnel or their designated representatives.The structure and content of error messages must be carefully considered by the organization and development team. The extent to which the information system is able to identify and handle error conditions is guided by organizational policy and operational requirements.
Solution
Configure Amazon Linux 2023 audit logs to have a mode of "0600" with the following command:Replace "[audit_log_file]" to the correct audit log path, by default this location is "/var/log/audit/audit.log".
$ sudo chmod 0600 /var/log/audit/[audit_log_file]
Check the group that owns the system audit logs:
$ sudo grep -m 1 -q ^log_group /etc/audit/auditd.conf
If the log_group is not defined or it is set to root, configure the permissions as follows:
$ sudo chmod 0640 $log_file
$ sudo chmod 0440 $log_file.*
Otherwise, configure the permissions as follows:
$ sudo chmod 0600 $log_file
$ sudo chmod 0400 $log_file.*
See Also
https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Amazon_Linux_2023_V1R2_STIG.zip
Item Details
Audit Name: DISA Amazon Linux 2023 STIG v1r2
Category: SYSTEM AND INFORMATION INTEGRITY
References: 800-53|SI-11b., CAT|II, CCI|CCI-001314, Rule-ID|SV-274118r1120342_rule, STIG-ID|AZLX-23-002275, Vuln-ID|V-274118
Plugin: Unix
Control ID: c6bd4e00c4cbd41518bb8853031ee0ee80d53a776bd1ed568d0f27da53f8a6d7