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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:grub:*:*:*:*:*:*:*:*", "matchCriteriaId": "281D0519-A24B-4DE6-8475-73AB48A847A9", "versionEndIncluding": "0.97", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:xen:xen:-:*:*:*:*:*:*:*", "matchCriteriaId": "BFA1950D-1D9F-4401-AA86-CF3028EFD286", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An attacker with local access to a system (either through a disk or external drive) can present a modified XFS partition to grub-legacy in such a way to exploit a memory corruption in grub\u2019s XFS file system implementation.\n"}, {"lang": "es", "value": "Un atacante con acceso local a un sistema (ya sea a trav\u00e9s de un disco o una unidad externa) puede presentar una partici\u00f3n XFS modificada a grub-legacy de tal manera que aproveche una corrupci\u00f3n de memoria en la implementaci\u00f3n del sistema de archivos XFS de grub."}], "id": "CVE-2023-4949", "lastModified": "2023-11-20T19:37:23.430", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 0.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 1.5, "impactScore": 6.0, "source": "cve-coordination@google.com", "type": "Secondary"}]}, "published": "2023-11-10T17:15:07.570", "references": [{"source": "cve-coordination@google.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://xenbits.xenproject.org/xsa/advisory-443.html"}], "sourceIdentifier": "cve-coordination@google.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-190"}], "source": "cve-coordination@google.com", "type": "Secondary"}]}

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