ESXI-67-000012 - The ESXi host SSH daemon must ignore .rhosts files.

Details

SSH trust relationships mean a compromise on one host can allow an attacker to move trivially to other hosts. SSH can emulate the behavior of the obsolete rsh command in allowing users to enable insecure access to their accounts via '.rhosts' files.


Solution

From an SSH session connected to the ESXi host, or from the ESXi shell, add or correct the following line in '/etc/ssh/sshd_config':

Add or correct the following line in '/etc/ssh/sshd_config':

IgnoreRhosts yes


Supportive Information

The following resource is also helpful.

This security hardening control applies to the following category of controls within NIST 800-53: Identification and Authentication.This control applies to the following type of system Unix.


References


Source