CCE-91238-6Platform: cpe:/o:ubuntu:ubuntu_linux:14.04 | Date: (C)2017-03-14 (M)2023-07-04 |
Set SSH PermitEmptyPasswords to No (Scored)
The PermitEmptyPasswords parameter specifies if the server allows login to accounts with empty password strings.
Parameter:
[enable/disable]
Technical Mechanism:
Disallowing remote shell access to accounts that have an empty password reduces the probability of unauthorized access to the system
Fix:
Edit the /etc/ssh/sshd_config file to set the parameter as follows:
PermitEmptyPasswords no
CCSS Severity: | CCSS Metrics: |
CCSS Score : 9.8 | Attack Vector: NETWORK |
Exploit Score: 3.9 | Attack Complexity: LOW |
Impact Score: 5.9 | Privileges Required: NONE |
Severity: CRITICAL | User Interaction: NONE |
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | Scope: UNCHANGED |
| Confidentiality: HIGH |
| Integrity: HIGH |
| Availability: HIGH |
| |
References: Resource Id | Reference |
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SCAP Repo OVAL Definition | oval:org.secpod.oval:def:33936 |