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System command files must not have extended ACLs.


Overview

Finding ID Version Rule ID IA Controls Severity
V-22314 GEN001210 M6 SV-38072r1_rule ECLP-1 Medium
Description
Restricting permissions will protect system command files from unauthorized modification. System command files include files present in directories used by the operating system for storing default system executables and files present in directories included in the system's default executable search paths.
STIG Date
MAC OSX 10.6 Workstation Security Technical Implementation Guide 2013-04-09

Details

Check Text ( C-37611r1_chk )
Open a terminal session and enter the following command to view extended ACLs.

find /bin /sbin /usr/bin /usr/sbin -print -exec ls -lLd \{\} \; | egrep '^..........+'

If any command files are shown with permissions that include a '+', the file has an extended ACL, this is a finding.
Fix Text (F-32853r1_fix)
Open a terminal session and enter the following command to remove the extended ACLs.

chmod -N