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63 lines
2.5 KiB
JSON
63 lines
2.5 KiB
JSON
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{
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"id": "CVE-2023-4693",
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"sourceIdentifier": "secalert@redhat.com",
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"published": "2023-10-25T18:17:41.817",
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"lastModified": "2023-10-25T20:31:55.900",
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"vulnStatus": "Awaiting Analysis",
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"descriptions": [
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{
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"lang": "en",
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"value": "An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk."
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},
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{
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"lang": "es",
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"value": "Se encontr\u00f3 una falla de lectura fuera de los l\u00edmites en el controlador del sistema de archivos NTFS de grub2. Este problema puede permitir que un atacante f\u00edsicamente presente presente una imagen del sistema de archivos NTFS especialmente manipulada para leer ubicaciones de memoria arbitrarias. Un ataque exitoso permite que se filtren datos confidenciales almacenados en cach\u00e9 en la memoria o valores de variables EFI, lo que presenta un alto riesgo de confidencialidad."
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "secalert@redhat.com",
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"type": "Secondary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N",
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"attackVector": "LOCAL",
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"attackComplexity": "HIGH",
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"privilegesRequired": "HIGH",
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"userInteraction": "NONE",
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"scope": "CHANGED",
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"confidentialityImpact": "HIGH",
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"integrityImpact": "NONE",
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"availabilityImpact": "NONE",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM"
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},
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"exploitabilityScore": 0.8,
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"impactScore": 4.0
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}
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]
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},
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"references": [
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{
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"url": "https://access.redhat.com/security/cve/CVE-2023-4693",
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"source": "secalert@redhat.com"
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2238343",
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"source": "secalert@redhat.com"
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},
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{
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"url": "https://dfir.ru/2023/10/03/cve-2023-4692-cve-2023-4693-vulnerabilities-in-the-grub-boot-manager/",
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"source": "secalert@redhat.com"
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},
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{
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"url": "https://lists.gnu.org/archive/html/grub-devel/2023-10/msg00028.html",
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"source": "secalert@redhat.com"
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},
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{
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"url": "https://seclists.org/oss-sec/2023/q4/37",
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"source": "secalert@redhat.com"
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}
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]
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}
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