Check: GEN000000-LNX00640

VMware ESX 3 Server: GEN000000-LNX00640 (in version v1 r2)

The /etc/securetty file must be owned by root. (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 ownership. Procedure: # ls -lL /etc/securetty If /etc/securetty is not owned by root, this is a finding.

Change the owner of the /etc/securetty file to root. Procedure: # chown root /etc/securetty

Rule ID: SV-12540r2_rule

Vulnerability ID: V-12039

Group Title: GEN000000-LNX00640

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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