The SSH daemon must perform strict mode checking of home directory configuration files.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-63209	ESXI-06-000020	SV-77699r1_rule		Medium

Description
If other users have access to modify user-specific SSH configuration files, they may be able to log into the system as another user.

STIG	Date
VMware vSphere ESXi 6.0 Security Technical Implementation Guide	2019-01-04

Details

Check Text ( C-63943r1_chk )
To verify the StrictModes setting, run the following command: # grep -i "^StrictModes" /etc/ssh/sshd_config If there is no output or the output is not exactly "StrictModes yes", this is a finding.

Fix Text (F-69127r1_fix)
To set the StrictModes setting, add or correct the following line in "/etc/ssh/sshd_config": StrictModes yes