System audit tool executables must not have extended ACLs.

From MAC OSX 10.6 Workstation Security Technical Implementation Guide

Part of GEN002718

Associated with IA controls: ECLP-1

Associated with: CCI-001493

SV-38103r1_rule System audit tool executables must not have extended ACLs.

Vulnerability discussion

To prevent unauthorized access or manipulation of system audit logs, the tools for manipulating those logs must be protected.

Check content

Open a terminal session and enter the following command to view the ACLs of the audit tool. ls -lL /usr/sbin/audit /usr/sbin/auditd /usr/sbin/auditreduce /usr/sbin/praudit If the permissions include a '+', the file has an extended ACL, this is a finding.

Fix text

Open a terminal session and use the following command to remove the extended ACLs. chmod -N

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