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Check: GEN002360

AIX 6.1 SECURITY TECHNICAL IMPLEMENTATION GUIDE: GEN002360 (in versions v1 r14 through v1 r10)

Title

Audio devices must be group-owned by root, sys, bin, or system. (Cat II impact)

Discussion

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.

Check Content

Check the group owner of audio devices. Procedure: # /usr/sbin/lsdev -C | grep -i audio # ls -lL /dev/*aud0 If the group owner of an audio device is not root, sys, bin, or system, this is a finding.

Fix Text

Change the group owner of the audio device. Procedure: # chgrp system <audio device>

Additional Identifiers

Rule ID: SV-27253r1_rule

Vulnerability ID: V-1061

Group Title: GEN002360

Expert Comments

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CCIs

CCIs tied to check.

Number	Definition
CCI-000225	The organization employs the concept of least privilege, allowing only authorized accesses for users (and processes acting on behalf of users) which are necessary to accomplish assigned tasks in accordance with organizational missions and business functions.

Controls

Controls tied to check. These are derived from the CCIs shown above.

Number	Title
AC-6	Least Privilege