CCE-91237-8| Platform: cpe:/o:ubuntu:ubuntu_linux:14.04 | Date: (C)2017-03-14 (M)2023-07-04 |
Disable SSH Root Login (Scored)
The PermitRootLogin parameter specifies if the root user can log in using ssh(1). The default is no.
Parameter:
[enable/disable]
Technical Mechanism:
Disallowing root logins over SSH requires server admins to authenticate using their own individual account, then escalating to root via sudo or su. This in turn limits opportunity for non-repudiation and provides a clear audit trail in the event of a security incident
Fix:
Edit the /etc/ssh/sshd_config file to set the parameter as follows:
PermitRootLogin no
| CCSS Severity: | CCSS Metrics: |
| CCSS Score : 8.1 | Attack Vector: NETWORK |
| Exploit Score: 2.2 | Attack Complexity: HIGH |
| Impact Score: 5.9 | Privileges Required: NONE |
| Severity: HIGH | User Interaction: NONE |
| Vector: AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H | Scope: UNCHANGED |
| | Confidentiality: HIGH |
| | Integrity: HIGH |
| | Availability: HIGH |
| | |
References: | Resource Id | Reference |
|---|
| SCAP Repo OVAL Definition | oval:org.secpod.oval:def:33935 |
