CVE-2018-18440

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2018-11-02T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-12-10T13:06:03.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"name": "[oss-security] 20181102 CVE-2018-18439, CVE-2018-18440 - U-Boot verified boot bypass vulnerabilities", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2018/11/02/2"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-18440", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "[oss-security] 20181102 CVE-2018-18439, CVE-2018-18440 - U-Boot verified boot bypass vulnerabilities", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2018/11/02/2"}, {"name": "https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T11:08:21.824Z"}, "title": "CVE Program Container", "references": [{"name": "[oss-security] 20181102 CVE-2018-18439, CVE-2018-18440 - U-Boot verified boot bypass vulnerabilities", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2018/11/02/2"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-18440", "datePublished": "2018-11-20T19:00:00.000Z", "dateReserved": "2018-10-17T00:00:00.000Z", "dateUpdated": "2024-08-05T11:08:21.824Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:denx:u-boot:*:*:*:*:*:*:*:*", "matchCriteriaId": "F35CB70F-CD3F-4E4B-A967-40D090F9E070", "versionEndIncluding": "2018.07", "vulnerable": true}, {"criteria": "cpe:2.3:a:denx:u-boot:2018.09:rc1:*:*:*:*:*:*", "matchCriteriaId": "D14862ED-DC24-4B28-B234-6539AFE88408", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled."}, {"lang": "es", "value": "DENX U-Boot hasta el 2018.09-rc1 tiene un desbordamiento de b\u00fafer explotable de forma local mediante una imagen del kernel manipulada debido a que la carga del sistema de archivos se gestiona de manera incorrecta."}], "id": "CVE-2018-18440", "lastModified": "2026-06-17T01:47:18.457", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2018-11-20T19:29:00.667", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Mailing List", "Mitigation", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2018/11/02/2"}, {"source": "cve@mitre.org", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Mailing List", "Mitigation", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2018/11/02/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-618620.pdf"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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