Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:macos:*:*", "matchCriteriaId": "BA80ABAD-2620-4350-B506-ACCF9B4A18E3", "versionEndExcluding": "7.0.0.439", "vulnerable": true}, {"criteria": "cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:windows:*:*", "matchCriteriaId": "F7051153-3CAD-442F-BD4B-8C780431FBD4", "versionEndExcluding": "7.0.0.439", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Backblaze for Windows and Backblaze for macOS before 7.0.0.439 suffer from improper privilege management in `bztransmit` helper due to lack of permission handling and validation before creation of client update directories allowing for local escalation of privilege via rogue client update binary."}, {"lang": "es", "value": "Backblaze para Windows y Backblaze para macOS versiones anteriores a 7.0.0.439, sufren de una administraci\u00f3n de privilegios inadecuada en el asistente \"bztransmit\" debido a la falta de manejo y comprobaci\u00f3n de permisos antes de la creaci\u00f3n de directorios de actualizaci\u00f3n de clientes que permiten la escalada local de privilegios por medio del binario de actualizaci\u00f3n de cliente no autorizado"}], "id": "CVE-2020-8290", "lastModified": "2024-11-21T05:38:40.217", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-12-27T02:15:14.573", "references": [{"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/geffner/CVE-2020-8290/blob/master/README.md"}, {"source": "support@hackerone.com", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/818857"}, {"source": "support@hackerone.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://youtu.be/OpC6neWd2aM"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/geffner/CVE-2020-8290/blob/master/README.md"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Permissions Required"], "url": "https://hackerone.com/reports/818857"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://youtu.be/OpC6neWd2aM"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-269"}], "source": "support@hackerone.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-269"}], "source": "nvd@nist.gov", "type": "Primary"}]} 
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