Check: GEN000000-LNX00620

SUSE Linux Enterprise Server v11 for System z STIG: GEN000000-LNX00620 (in versions v1 r12 through v1 r9)

The /etc/securetty file must be group-owned by root, sys, or bin. (Cat II impact)

The securetty file contains the list of terminals permitting direct root logins. It must be protected from unauthorized modification.

Check /etc/securetty group ownership: # ls –lL /etc/securetty If /etc/securetty is not group owned by root, sys, or bin, then this is a finding.

Change the group-owner of /etc/securetty to root, sys, or bin. Example: # chgrp root /etc/securetty

Rule ID: SV-44669r1_rule

Vulnerability ID: V-12038

Group Title: GEN000000-LNX00620

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

Number	Title
AC-6	Least Privilege