The SSH daemon must not permit user environment settings.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-50805	OL6-00-000241	SV-65011r1_rule		Low

Description
SSH environment options potentially allow users to bypass access restriction in some configurations.

STIG	Date
Oracle Linux 6 Security Technical Implementation Guide	2016-06-05

Details

Check Text ( C-53277r1_chk )
To ensure users are not able to present environment daemons, run the following command: # grep PermitUserEnvironment /etc/ssh/sshd_config If properly configured, output should be: PermitUserEnvironment no If it is not, this is a finding.

Fix Text (F-55599r1_fix)
To ensure users are not able to present environment options to the SSH daemon, add or correct the following line in "/etc/ssh/sshd_config": PermitUserEnvironment no