The SSH daemon must be configured to only use the SSHv2 protocol.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-220055	GEN005500	SV-220055r603265_rule		High

Description
SSHv1 is not a DoD-approved protocol and has many well-known vulnerability exploits. Exploits of the SSH daemon could provide immediate root access to the system.

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

Details

Check Text ( C-21764r485288_chk )
Check the SSH daemon configuration for allowed protocol versions. # grep -i protocol /etc/ssh/sshd_config | grep -v '^#' If the variables Protocol 2,1 or Protocol 1 are defined on a line without a leading comment, this is a finding.

Fix Text (F-21763r485289_fix)
Edit the configuration file and modify the Protocol line to look like: Protocol 2 Reload sshd: kill -HUP