CVE-2023-40550

{"id": "CVE-2023-40550", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2024-01-29T17:15:08.773", "references": [{"url": "https://access.redhat.com/errata/RHSA-2024:1834", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:1835", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:1873", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:1876", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:1883", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:1902", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:1903", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:1959", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/errata/RHSA-2024:2086", "source": "secalert@redhat.com"}, {"url": "https://access.redhat.com/security/cve/CVE-2023-40550", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2259915", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/05/msg00009.html", "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "An out-of-bounds read flaw was found in Shim when it tried to validate the SBAT information. This issue may expose sensitive data during the system's boot phase."}, {"lang": "es", "value": "Se encontr\u00f3 un fallo de lectura fuera de los l\u00edmites en Shim cuando intent\u00f3 validar la informaci\u00f3n SBAT. Este problema puede exponer datos confidenciales durante la fase de inicio del sistema."}], "lastModified": "2024-06-10T18:15:22.887", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:shim:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "01639865-3664-4034-BCFB-F4E09AF37F28", "versionEndExcluding": "15.8"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8EDB836-4E6A-4B71-B9B2-AA3E03E0F646"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F4CFF558-3C47-480D-A2F0-BABF26042943"}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7F6FB57C-2BC7-487C-96DD-132683AEB35D"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}