Check: GEN000000-LNX00660

VMware ESX 3 Server: GEN000000-LNX00660 (in version v1 r2)

The /etc/securetty file must have mode 0640 or less permissive. (Cat II impact)

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

Check /etc/securetty permissions. Procedure: # ls –lL /etc/securetty If /etc/securetty has a mode more permissive than 0640, this is a finding.

Change the mode of the /etc/securetty file to 0640. Procedure: # chmod 0640 /etc/securetty

Rule ID: SV-12541r2_rule

Vulnerability ID: V-12040

Group Title: GEN000000-LNX00660

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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.
CCI-000366	The organization implements the security configuration settings.

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

Number	Title
AC-6	Least Privilege
CM-6	Configuration Settings