{"description": "The file <tt>/boot/grub/user.cfg</tt> should be group-owned by the\n<tt>root</tt> group to prevent reading or modification of the file.\n\nTo properly set the group owner of <code>/boot/grub/user.cfg</code>, run the command:\n\n  <pre>$ sudo chgrp root /boot/grub/user.cfg</pre>\n  ", "rationale": "The <tt>root</tt> group is a highly-privileged group. Furthermore, the group-owner of this\nfile should not have any access privileges anyway. Non-root users who read the boot parameters\nmay be able to identify weaknesses in security upon boot and be able to exploit them.", "severity": "medium", "references": {"cis-csc": ["12", "13", "14", "15", "16", "18", "3", "5"], "cjis": ["5.5.2.2"], "cobit5": ["APO01.06", "DSS05.04", "DSS05.07", "DSS06.02"], "cui": ["3.4.5"], "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"], "nist": ["CM-6(a)", "AC-6(1)"], "nist-csf": ["PR.AC-4", "PR.DS-5"], "pcidss": ["Req-7.1"], "anssi": ["R29"]}, "control_references": {"anssi": ["R29"]}, "components": [], "identifiers": {}, "ocil_clause": "/boot/grub/user.cfg does not have a group owner of\nroot\n", "ocil": "To check the group ownership of <code>/boot/grub/user.cfg</code>,\nrun the command:\n<pre>$ ls -lL /boot/grub/user.cfg</pre>\nIf properly configured, the output should indicate the following group-owner:\n\n  <code>root</code>\n  ", "oval_external_content": null, "fixtext": "", "checktext": "", "vuldiscussion": "", "srg_requirement": "", "warnings": [], "conflicts": [], "requires": [], "policy_specific_content": {}, "platform": null, "platforms": [], "sce_metadata": {}, "inherited_platforms": ["grub2 and system_with_kernel"], "cpe_platform_names": [], "inherited_cpe_platform_names": ["grub2_and_system_with_kernel"], "bash_conditional": null, "fixes": {}, "title": "Verify /boot/grub/user.cfg Group Ownership", "definition_location": "/aptdata/openscap/scap-security-guide/linux_os/guide/system/bootloader-grub2/uefi/file_groupowner_efi_user_cfg/rule.yml", "template": {"name": "file_groupowner", "vars": {"filepath": "/boot/grub/user.cfg", "gid_or_name": "0"}, "backends": {}}}