CVE-2021-44149

{"id": "CVE-2021-44149", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.6, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2021-12-07T21:15:08.653", "references": [{"url": "https://github.com/OP-TEE/optee_os/tags", "tags": ["Release Notes", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/f-secure-foundry/advisories/blob/master/Security_Advisory-Ref_FSC-HWSEC-VR2021-0002-OP-TEE_TrustZone_bypass_at_wakeup.txt", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Trusted Firmware OP-TEE Trusted OS through 3.15.0. The OPTEE-OS CSU driver for NXP i.MX6UL SoC devices lacks security access configuration for wakeup-related registers, resulting in TrustZone bypass because the NonSecure World can perform arbitrary memory read/write operations on Secure World memory. This involves a v cycle."}, {"lang": "es", "value": "Se ha detectado un problema en Trusted Firmware OP-TEE Trusted OS versiones hasta 3.15.0. El controlador CSU de OPTEE-OS para los dispositivos SoC NXP i.MX6UL carece de la configuraci\u00f3n de acceso de seguridad para los registros relacionados con el wakeup, resultando en una omisi\u00f3n de TrustZone porque el Mundo no Seguro puede llevar a cabo operaciones de lectura/escritura de memoria arbitrarias en la memoria del Mundo Seguro. Esto implica un ciclo v"}], "lastModified": "2022-07-12T17:42:04.277", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linaro:op-tee:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FEFF9430-1E1C-4E42-9767-F2AE9CC38B56", "versionEndIncluding": "3.15.0"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:h:nxp:i.mx_6ultralite:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "06A59F6D-0000-4E82-8F16-BC9BC946A7B0"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "cve@mitre.org"}