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V-271776

CAT II (Medium)

OL 9 SSH server configuration file must be group-owned by root.

Rule ID

SV-271776r1092040_rule

STIG

Oracle Linux 9 Security Technical Implementation Guide

Version

V1R5

CCIs

CCI-000366

Discussion

Service configuration files enable or disable features of their respective services, which if configured incorrectly, can lead to insecure and vulnerable configurations. Therefore, service configuration files must be owned by the correct group to prevent unauthorized changes.

Check Content

Verify that OL 9 configures group ownership of the "/etc/ssh/sshd_config" file with the following command:

$ ls -al /etc/ssh/sshd_config
rw-------. 1 root root 3669 Feb 22 11:34 /etc/ssh/sshd_config

If the "/etc/ssh/sshd_config" file does not have a group owner of "root", this is a finding.

Fix Text

Configure the "/etc/ssh/sshd_config" file to be group-owned by root with the following command:

$ sudo chgrp root /etc/ssh/sshd_config