cyberstrikeus 5.2.1 Ensure permissions on /etc/ssh/sshd_config are configured (Scored)
Profile Applicability
- Level 1 - Server
- Level 1 - Workstation
Description
The /etc/ssh/sshd_config file contains configuration specifications for sshd. The command below sets the owner and group of the file to root.
Rationale
The /etc/ssh/sshd_config file needs to be protected from unauthorized changes by non-privileged users.
Audit Procedure
Run the following command and verify Uid and Gid are both 0/root and Access does not grant permissions to group or other:
stat /etc/ssh/sshd_config
Expected Result
Access: (0600/-rw-------) Uid: ( 0/ root) Gid: ( 0/ root)
Remediation
Run the following commands to set ownership and permissions on /etc/ssh/sshd_config:
chown root:root /etc/ssh/sshd_config
chmod og-rwx /etc/ssh/sshd_config
Default Value
Not configured by default.
References
- CIS Controls: 5.1 - Minimize And Sparingly Use Administrative Privileges
Profile
- Level 1 - Server
- Level 1 - Workstation