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Basado en la clasificación ocupacional SOC
Mostrando SKILL.md
| name | cis-ubuntu1604-v200-1-4-4 |
| description | Ensure authentication required for single user mode |
| category | cis-iam |
| version | 2.0.0 |
| author | cyberstrike-official |
| tags | ["cis","ubuntu","linux","ubuntu-16.04","single-user-mode","authentication","root-password"] |
| cis_id | 1.4.4 |
| cis_benchmark | CIS Ubuntu Linux 16.04 LTS Benchmark v2.0.0 |
| tech_stack | ["ubuntu","linux"] |
| cwe_ids | [] |
| chains_with | [] |
| prerequisites | [] |
| severity_boost | {} |
Single user mode is used for recovery when the system detects an issue during boot or by manual selection from the bootloader.
Requiring authentication in single user mode prevents an unauthorized user from rebooting the system into single user to gain root privileges without credentials.
Perform the following to determine if a password is set for the root user:
grep -Eq '^root:\$[0-9]' /etc/shadow || echo "root is locked"
No results should be returned.
The command should return no output, indicating root has a password set. If "root is locked" is returned, root does not have a password set.
Run the following command and follow the prompts to set a password for the root user:
passwd root
Not applicable.
None.
| Controls Version | Control |
|---|---|
| v7 | 5.1 Establish Secure Configurations |
Automated