The setuid bit must be removed from the IPC Statistics.

From MAC OSX 10.6 Workstation Security Technical Implementation Guide

Part of OSX00255-Remove setuid bit from IPC Statistics

Associated with IA controls: ECCD-2, ECCD-1

SV-38233r1_rule The setuid bit must be removed from the IPC Statistics.

Vulnerability discussion

Because attackers try to influence or co-opt the execution of setuid programs in order to try to elevate their privileges, there is benefit in removing the setuid bit from programs that may not need it. There is also benefit in restricting to administrators the right to execute a setuid program.

Check content

Open a terminal session and enter the following command. ls -ld /usr/bin/ipcs Ensure the file permissions are set to 511. If the permission is not the same or more restrictive, this is a finding.

Fix text

Open a terminal session and enter the following command. chmod 511 /usr/bin/ipcs

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