{"description": "\nTo properly set the permissions of files in <code>/etc/ssh/sshd_config.d</code>, run the command:\n<pre>find -H /etc/ssh/sshd_config.d -type d -exec chown 0600 {} \\;</pre>", "rationale": "Service configuration files enable or disable features of their respective\nservices that if configured incorrectly can lead to insecure and vulnerable\nconfigurations. Therefore, service configuration files should be owned by the\ncorrect group to prevent unauthorized changes.", "severity": "medium", "references": {"cis-csc": ["12", "13", "14", "15", "16", "18", "3", "5"], "cobit5": ["APO01.06", "DSS05.04", "DSS05.07", "DSS06.02"], "isa-62443-2009": ["4.3.3.7.3"], "isa-62443-2013": ["SR 2.1", "SR 5.2"], "iso27001-2013": ["A.10.1.1", "A.11.1.4", "A.11.1.5", "A.11.2.1", "A.13.1.1", "A.13.1.3", "A.13.2.1", "A.13.2.3", "A.13.2.4", "A.14.1.2", "A.14.1.3", "A.6.1.2", "A.7.1.1", "A.7.1.2", "A.7.3.1", "A.8.2.2", "A.8.2.3", "A.9.1.1", "A.9.1.2", "A.9.2.3", "A.9.4.1", "A.9.4.4", "A.9.4.5"], "nerc-cip": ["CIP-003-8 R5.1.1", "CIP-003-8 R5.3", "CIP-004-6 R2.3", "CIP-007-3 R2.1", "CIP-007-3 R2.2", "CIP-007-3 R2.3", "CIP-007-3 R5.1", "CIP-007-3 R5.1.1", "CIP-007-3 R5.1.2"], "nist": ["AC-17(a)", "CM-6(a)", "AC-6(1)"], "nist-csf": ["PR.AC-4", "PR.DS-5"], "srg": ["SRG-OS-000480-GPOS-00227"]}, "control_references": {}, "components": [], "identifiers": {}, "ocil_clause": "files in the /etc/ssh/sshd_config.d directory do not have unix mode -rw-------", "ocil": "To check the permissions of files in the <code>/etc/ssh/sshd_config.d</code> directory,\nrun the command:\n<pre>$ ls -lL /etc/ssh/sshd_config.d</pre>\nIf properly configured, the output should indicate the following permissions:\n<code>-rw-------</code>", "oval_external_content": null, "fixtext": " Change the permissions of the files in the /etc/ssh/sshd_config.d directory to 0600 by running the following command:\n$ sudo chmod -R 0600 /etc/ssh/sshd_config.d", "checktext": "", "vuldiscussion": "", "srg_requirement": " The Ubuntu 22.04 files in /etc/ssh/sshd_config.d must have mode 0600 or less permissive to prevent unauthorized access.", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": "system_with_kernel", "platforms": ["system_with_kernel"], "sce_metadata": {}, "inherited_platforms": [], "cpe_platform_names": ["system_with_kernel"], "inherited_cpe_platform_names": [], "bash_conditional": null, "fixes": {}, "title": "Verify Permissions on SSH Server Config File", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/services/ssh/file_permissions_sshd_drop_in_config/rule.yml", "template": {"name": "file_permissions", "vars": {"filepath": "/etc/ssh/sshd_config.d/", "file_regex": "^.*$", "filemode": "0600"}, "backends": {}}}