All system command files must have mode 0755 or less permissive.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-794	GEN001200 M6	SV-37987r2_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-37572r1_chk )
Open a terminal session and enter the following command to verify command file permissions. find /bin /sbin /usr/bin /usr/sbin -type f -perm +022 -exec stat -f %Lp:%N {} \; This will return the octal permissions and name of all group or world-writable files. If any file listed is world or group-writable (either or both of the two lowest order digits contain a "2", "3", "6", or "7"), this is a finding.

Check Text ( C-37572r1_chk )

Open a terminal session and enter the following command to verify command file permissions.

find /bin /sbin /usr/bin /usr/sbin -type f -perm +022 -exec stat -f %Lp:%N {} \;

This will return the octal permissions and name of all group or world-writable files.

If any file listed is world or group-writable (either or both of the two lowest order digits contain a "2", "3", "6", or "7"), this is a finding.

Fix Text (F-32815r3_fix)
Open a terminal session and enter the following command to change the mode for system command files to remove group and world write permissions. # chmod go-w