CVE-2024-45781

{"id": "CVE-2024-45781", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.8}]}, "published": "2025-02-18T20:15:19.450", "references": [{"url": "https://access.redhat.com/errata/RHSA-2025:16154", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2025:6990", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2024-45781", "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345857", "source": "secalert@redhat.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "A flaw was found in grub2. When reading a symbolic link's name from a UFS filesystem, grub2 fails to validate the string length taken as an input. The lack of validation may lead to a heap out-of-bounds write, causing data integrity issues and eventually allowing an attacker to circumvent secure boot protections."}, {"lang": "es", "value": "Se encontr\u00f3 un defecto en Grub2. Al leer el nombre de un enlace simb\u00f3lico de un sistema de archivos UFS, Grub2 no puede validar la longitud de la cadena tomada como una entrada. La falta de validaci\u00f3n puede conducir a un mont\u00f3n fuera de los l\u00edmites Escribir, causando problemas de integridad de datos y eventualmente permitiendo que un atacante elude las protecciones seguras de arranque."}], "lastModified": "2025-09-18T09:15:34.603", "sourceIdentifier": "secalert@redhat.com"}