System audit logs must have mode 0640 or less permissive.

From HP-UX 11.31 Security Technical Implementation Guide

Associated with IA controls: ECTP-1

Associated with: CCI-000163

SV-38478r2_rule System audit logs must have mode 0640 or less permissive.

Vulnerability discussion

If a user can write to the audit logs, audit trails can be modified or destroyed and system intrusion may not be detected. System audit logs are those files generated from the audit system and do not include activity, error, or other log files created by application software.

Check content

Inspect the auditing configuration file, /etc/rc.config.d/auditing, to determine the filename and path of the audit logs. The entries should appear similar to the following: PRI_AUDFILE=/var/.audit/file1 SEC_AUDFILE=/var/.audit/file2 # egrep “PRI_AUDFILE|SEC_AUDFILE” /etc/rc.config.d/auditing For each audit log directory/file, check the permissions. # ls -lLd # ls -lLa If any audit log file has permissions greater than 0640 (0750 for directories), this is a finding.

Fix text

As root, change the permissions. # chmod 0750 # chmod 0640

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