Audio devices must be group-owned by root, sys, bin, or system.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-1061	GEN002360	SV-37577r1_rule	ECLP-1	Medium

Description
Without privileged group owners, audio devices will be vulnerable to being used as eaves-dropping devices by malicious users or intruders to possibly listen to conversations containing sensitive information.

STIG	Date
Red Hat Enterprise Linux 5 Security Technical Implementation Guide	2013-07-03

Details

Check Text ( C-36404r1_chk )
Check the group-owner of audio devices. Procedure: # ls -lL /dev/audio* /dev/snd/* If the group-owner of an audio device is not root, sys, bin, or system, this is a finding.

Fix Text (F-31613r1_fix)
Change the group-owner of the audio device. Procedure: # chgrp root