CVE-2018-3968

{"id": "CVE-2018-3968", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.4, "accessVector": "LOCAL", "vectorString": "AV:L/AC:M/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.4, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Secondary", "source": "talos-cna@cisco.com", "cvssData": {"scope": "CHANGED", "version": "3.0", "baseScore": 8.2, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.5}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "published": "2019-03-21T17:29:00.493", "references": [{"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0633", "tags": ["Exploit", "Third Party Advisory"], "source": "talos-cna@cisco.com"}, {"url": "https://talosintelligence.com/vulnerability_reports/TALOS-2018-0633", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-347"}]}], "descriptions": [{"lang": "en", "value": "An exploitable vulnerability exists in the verified boot protection of the Das U-Boot from version 2013.07-rc1 to 2014.07-rc2. The affected versions lack proper FIT signature enforcement, which allows an attacker to bypass U-Boot's verified boot and execute an unsigned kernel, embedded in a legacy image format. To trigger this vulnerability, a local attacker needs to be able to supply the image to boot."}, {"lang": "es", "value": "Existe una vulnerabilidad explotable en la protecci\u00f3n verificada de arranque de Das U-Boot, desde la versi\u00f3n 2013.07-rc1 hasta la 2014.07-rc2. Las versiones afectadas carecen de una aplicaci\u00f3n adecuada de las firmas FIT, lo que permite que un atacante omita el arranque verificado de U-Boot y ejecute un kernel sin firmar, embebido en un formato de imagen heredado. Para desencadenar esta vulnerabilidad, un atacante local necesita ser capaz de proporcionar la imagen de arranque."}], "lastModified": "2024-11-21T04:06:24.257", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1C8DB5B6-2A9F-44EA-B3DC-CDE840C14540", "versionEndIncluding": "2014.07", "versionStartIncluding": "2013.07"}, {"criteria": "cpe:2.3:a:denx:u-boot:2013.07:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6C787638-BDD7-485A-B024-803B9651D54A"}, {"criteria": "cpe:2.3:a:denx:u-boot:2013.07:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CD7B4F31-7C15-4EF6-9E09-923C0A396415"}, {"criteria": "cpe:2.3:a:denx:u-boot:2013.07:rc3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B6179563-B4D6-4521-B7D3-89A2A8EC48A7"}, {"criteria": "cpe:2.3:a:denx:u-boot:2014.07:rc1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9356F059-9AE8-4A34-9B94-7690E068F212"}, {"criteria": "cpe:2.3:a:denx:u-boot:2014.07:rc2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D588DDD7-46D5-4BFF-9732-DEE4DEDC4D39"}], "operator": "OR"}]}], "sourceIdentifier": "talos-cna@cisco.com"}