{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2019-01-28T00:00:00", "descriptions": [{"lang": "en", "value": "The ARM-based hardware debugging feature on Raspberry Pi 3 module B+ and possibly other devices allows non-secure EL1 code to read/write any EL3 (the highest privilege level in ARMv8) memory/register via inter-processor debugging. With a debug host processor A running in non-secure EL1 and a debug target processor B running in any privilege level, the debugging feature allows A to halt B and promote B to any privilege level. As a debug host, A has full control of B even if B owns a higher privilege level than A. Accordingly, A can read/write any EL3 memory/register via B. Also, with this memory access, A can execute arbitrary code in EL3."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2019-04-04T19:13:46", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.computer.org/csdl/proceedings-article/sp/2019/666000b157/17D45WHONhv"}, {"tags": ["x_refsource_MISC"], "url": "http://www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2018-18068", "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": "The ARM-based hardware debugging feature on Raspberry Pi 3 module B+ and possibly other devices allows non-secure EL1 code to read/write any EL3 (the highest privilege level in ARMv8) memory/register via inter-processor debugging. With a debug host processor A running in non-secure EL1 and a debug target processor B running in any privilege level, the debugging feature allows A to halt B and promote B to any privilege level. As a debug host, A has full control of B even if B owns a higher privilege level than A. Accordingly, A can read/write any EL3 memory/register via B. Also, with this memory access, A can execute arbitrary code in EL3."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.computer.org/csdl/proceedings-article/sp/2019/666000b157/17D45WHONhv", "refsource": "MISC", "url": "https://www.computer.org/csdl/proceedings-article/sp/2019/666000b157/17D45WHONhv"}, {"name": "http://www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf", "refsource": "MISC", "url": "http://www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2018-18068", "datePublished": "2019-04-04T19:13:46", "dateReserved": "2018-10-08T00:00:00", "dateUpdated": "2019-04-04T19:13:46", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:raspberrypi:raspberry_pi_3_model_b\\+_firmware:-:*:*:*:*:*:*:*", "matchCriteriaId": "2C0914D7-A1AE-42A4-B8D3-DAD85DB4CA13", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:raspberrypi:raspberry_pi_3_model_b\\+:-:*:*:*:*:*:*:*", "matchCriteriaId": "05303822-9252-471C-9209-7DBB593A3874", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "descriptions": [{"lang": "en", "value": "The ARM-based hardware debugging feature on Raspberry Pi 3 module B+ and possibly other devices allows non-secure EL1 code to read/write any EL3 (the highest privilege level in ARMv8) memory/register via inter-processor debugging. With a debug host processor A running in non-secure EL1 and a debug target processor B running in any privilege level, the debugging feature allows A to halt B and promote B to any privilege level. As a debug host, A has full control of B even if B owns a higher privilege level than A. Accordingly, A can read/write any EL3 memory/register via B. Also, with this memory access, A can execute arbitrary code in EL3."}, {"lang": "es", "value": "La funcionalidad de depuraci\u00f3n de hardware basada en ARM en el m\u00f3dulo B+ de Raspberry Pi 3 y, posiblemente otros dispositivos, permite que un c\u00f3digo EL1 inseguro lea/escriba cualquier memoria/registro EL3 (el nivel de privilegios m\u00e1s alto en ARMv8) mediante un proceso de depuraci\u00f3n de interprocesador. Con un procesador de depuraci\u00f3n host \"A\" que opera con c\u00f3digo EL1 inseguro y un procesador de depuraci\u00f3n objetivo B que opera con cualquier nivel de privilegios, la funcionalidad de depuraci\u00f3n permite a \"A\" detener \"B\" y asciende \"B\" a cualquier nivel de privilegios. Como host de depuraci\u00f3n, A tiene el control total sobre B aunque B posee a nivel de privilegios m\u00e1s alto que A. Por consiguiente, A puede leer/escribir cualquier memoria/registro EL3 a trav\u00e9s de B. Asimismo, con este acceso a la memoria, A puede ejecutar c\u00f3digo arbitrario en EL3 tambi\u00e9n."}], "id": "CVE-2018-18068", "lastModified": "2019-10-03T00:03:26.223", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 10.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.0"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-04-04T20:29:00.220", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Technical Description", "Third Party Advisory"], "url": "http://www.cs.wayne.edu/fengwei/paper/nailgun-sp19.pdf"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.computer.org/csdl/proceedings-article/sp/2019/666000b157/17D45WHONhv"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-668"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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