{"description": "\nTo properly set the permissions of <code>/etc/gshadow</code>, run the command:\n<pre>$ sudo chmod 0640 /etc/gshadow</pre>", "rationale": "The <tt>/etc/gshadow</tt> file contains group password hashes. Protection of this file\nis critical for system security.", "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": ["CM-6(a)", "AC-6(1)"], "nist-csf": ["PR.AC-4", "PR.DS-5"], "srg": ["SRG-OS-000480-GPOS-00227"], "anssi": ["R50"], "cis": ["7.1.7"]}, "control_references": {"anssi": ["R50"], "cis": ["7.1.7"]}, "components": [], "identifiers": {}, "ocil_clause": "/etc/gshadow does not have unix mode -rw-r-----", "ocil": "To check the permissions of <code>/etc/gshadow</code>,\nrun the command:\n<pre>$ ls -l /etc/gshadow</pre>\nIf properly configured, the output should indicate the following permissions:\n<code>-rw-r-----</code>", "oval_external_content": null, "fixtext": " Configure the \"/etc/gshadow\" file to \"0640\" by running the following command:\n$ sudo chmod 0640 /etc/gshadow", "checktext": "", "vuldiscussion": "", "srg_requirement": " The Ubuntu 22.04 /etc/gshadow file must have mode 0640 or less permissive to prevent unauthorized access.", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {"stig": {"srg_requirement": "Ubuntu 22.04 /etc/gshadow file must have mode 0000 or less permissive to prevent unauthorized access.", "vuldiscussion": "The \"/etc/gshadow\" file contains group password hashes. Protection of this file is critical for system security.", "checktext": "Verify that the \"/etc/gshadow\" file has mode \"0000\" with the following command:\n\n$ sudo stat -c \"%a %n\" /etc/gshadow\n\n0 /etc/gshadow\n\nIf a value of \"0\" is not returned, this is a finding.", "fixtext": "Change the mode of the file \"/etc/gshadow\" to \"0000\" by running the following command:\n\n$ sudo chmod 0000 /etc/gshadow"}}, "platform": null, "platforms": [], "sce_metadata": {}, "inherited_platforms": [], "cpe_platform_names": [], "inherited_cpe_platform_names": [], "bash_conditional": null, "fixes": {}, "title": "Verify Permissions on gshadow File", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/system/permissions/files/permissions_important_account_files/file_permissions_etc_gshadow/rule.yml", "template": {"name": "file_permissions", "vars": {"filepath": "/etc/gshadow", "filemode": "0640"}, "backends": {}}}