{ "id": "CVE-2021-33625", "sourceIdentifier": "cve@mitre.org", "published": "2022-02-03T02:15:06.930", "lastModified": "2022-04-12T18:17:23.980", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "An issue was discovered in Kernel 5.x in Insyde InsydeH2O, affecting HddPassword. Software SMI services that use the Communicate() function of the EFI_SMM_COMMUNICATION_PROTOCOL do not check whether the address of the buffer is valid, which allows use of SMRAM, MMIO, or OS kernel addresses." }, { "lang": "es", "value": "Se ha descubierto un problema en el Kernel versi\u00f3n 5.x de InsydeH2O, que afecta a HddPassword. Los servicios SMI de software que utilizan la funci\u00f3n Communicate() del EFI_SMM_COMMUNICATION_PROTOCOL no comprueban si la direcci\u00f3n del b\u00fafer es v\u00e1lida, lo que permite el uso de direcciones de SMRAM, MMIO o del n\u00facleo del SO" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 0.8, "impactScore": 6.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C", "accessVector": "LOCAL", "accessComplexity": "MEDIUM", "authentication": "NONE", "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "baseScore": 6.9 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.4, "impactScore": 10.0, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-119" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.1", "versionEndExcluding": "5.16.23", "matchCriteriaId": "8C029DED-CC74-4AFB-B5D0-C1FD8237DCAE" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:insyde:insydeh2o:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.26.23", 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"https://www.insyde.com/security-pledge/SA-2022014", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] } ] }