{ "id": "CVE-2021-36133", "sourceIdentifier": "cve@mitre.org", "published": "2021-12-07T21:15:08.257", "lastModified": "2021-12-09T19:53:15.437", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "The OPTEE-OS CSU driver for NXP i.MX SoC devices lacks security access configuration for several models, resulting in TrustZone bypass because the NonSecure World can perform arbitrary memory read/write operations on Secure World memory. This involves a DMA capable peripheral." }, { "lang": "es", "value": "El controlador CSU de OPTEE-OS para los dispositivos NXP i.MX SoC carece de configuraci\u00f3n de acceso de seguridad para varios modelos, resultando en una omisi\u00f3n de TrustZone porque el Mundo no Seguro puede llevar a cabo operaciones arbitrarias de lectura/escritura de memoria en la memoria del Mundo Seguro. Esto implica un perif\u00e9rico con capacidad DMA" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.2 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 3.6 }, "baseSeverity": "LOW", "exploitabilityScore": 3.9, "impactScore": 4.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-732" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linaro:op-tee:-:*:*:*:*:*:*:*", "matchCriteriaId": "4F8D35B9-CF81-4539-A691-DF6ABA515B92" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:nxp:i.mx_6:-:*:*:*:*:*:*:*", "matchCriteriaId": "1B3D9F06-FBAB-4271-81AF-D135995BC7CB" }, { "vulnerable": false, "criteria": "cpe:2.3:h:nxp:i.mx_6solox:-:*:*:*:*:*:*:*", "matchCriteriaId": "71631A11-FB49-4335-BB1B-47EB9061F47B" }, { "vulnerable": false, "criteria": "cpe:2.3:h:nxp:i.mx_6ull:-:*:*:*:*:*:*:*", "matchCriteriaId": "E2CD0D2A-C1A5-4771-ADAB-70375BF06670" }, { "vulnerable": false, "criteria": "cpe:2.3:h:nxp:i.mx_6ulz:-:*:*:*:*:*:*:*", "matchCriteriaId": "38EB61DF-AE1E-4073-89F3-86194D2B8C82" }, { "vulnerable": false, "criteria": "cpe:2.3:h:nxp:i.mx_7ds:-:*:*:*:*:*:*:*", "matchCriteriaId": "03B83613-161E-4AF4-B828-17821B868138" }, { "vulnerable": false, "criteria": "cpe:2.3:h:nxp:i.mx6sx:-:*:*:*:*:*:*:*", "matchCriteriaId": "62F22874-A623-4705-B8B7-A0C7E1BDA705" } ] } ] } ], "references": [ { "url": "https://github.com/f-secure-foundry/advisories/blob/master/Security_Advisory-Ref_FSC-HWSEC-VR2021-0001-OP-TEE_TrustZone_bypass.txt", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }