The SSH daemon must not allow rhosts RSA authentication.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-227905	GEN005538	SV-227905r603266_rule		Medium

Description
If SSH permits rhosts RSA authentication, a user may be able to log in based on the keys of the host originating the request and not any user-specific authentication.

STIG	Date
Solaris 10 X86 Security Technical Implementation Guide	2020-12-04

Details

Check Text ( C-30067r490120_chk )
Check the SSH daemon configuration for the RhostsRSAAuthentication setting. # grep -i RhostsRSAAuthentication /etc/ssh/sshd_config | grep -v '^#' If the setting is set to yes, this is a finding.

Fix Text (F-30055r490121_fix)
Edit the SSH daemon configuration and change the RhostsRSAAuthentication setting value to no or remove it entirely.