CVE-2020-8289

{"id": "CVE-2020-8289", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 9.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "MEDIUM", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "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:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2020-12-27T02:15:14.480", "references": [{"url": "http://seclists.org/fulldisclosure/2020/Dec/57", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "http://seclists.org/fulldisclosure/2020/Dec/58", "tags": ["Mailing List", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://github.com/geffner/CVE-2020-8289/blob/master/README.md", "tags": ["Exploit", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://hackerone.com/reports/818853", "tags": ["Permissions Required"], "source": "support@hackerone.com"}, {"url": "https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/", "tags": ["Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "https://youtu.be/W0THXbcX5V8", "tags": ["Exploit", "Third Party Advisory"], "source": "support@hackerone.com"}, {"url": "http://seclists.org/fulldisclosure/2020/Dec/57", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://seclists.org/fulldisclosure/2020/Dec/58", "tags": ["Mailing List", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://github.com/geffner/CVE-2020-8289/blob/master/README.md", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://hackerone.com/reports/818853", "tags": ["Permissions Required"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.backblaze.com/blog/backblaze-cloud-backup-release-7-0-1/", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://youtu.be/W0THXbcX5V8", "tags": ["Exploit", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "support@hackerone.com", "description": [{"lang": "en", "value": "CWE-295"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-295"}]}], "descriptions": [{"lang": "en", "value": "Backblaze for Windows before 7.0.1.433 and Backblaze for macOS before 7.0.1.434 suffer from improper certificate validation in `bztransmit` helper due to hardcoded whitelist of strings in URLs where validation is disabled leading to possible remote code execution via client update functionality."}, {"lang": "es", "value": "Backblaze para Windows versiones anteriores a 7.0.1.433 y Backblaze para macOS versiones anteriores a 7.0.1.434, sufren de una validaci\u00f3n de certificado incorrecta en el asistente \"bztransmit\" debido a una lista blanca embebida de cadenas en URL donde la comprobaci\u00f3n est\u00e1 deshabilitada, lo que lleva a una posible ejecuci\u00f3n de c\u00f3digo remota por medio de la funcionalidad de actualizaci\u00f3n del cliente"}], "lastModified": "2024-11-21T05:38:40.090", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:windows:*:*", "vulnerable": true, "matchCriteriaId": "23E8143D-EC22-4EEB-8C12-FA4D929F0ADB", "versionEndExcluding": "7.0.1.433"}, {"criteria": "cpe:2.3:a:backblaze:backblaze:*:*:*:*:*:macos:*:*", "vulnerable": true, "matchCriteriaId": "ADD57DC1-0797-4367-A9AF-BBAC83BFD046", "versionEndExcluding": "7.0.1.434"}], "operator": "OR"}]}], "sourceIdentifier": "support@hackerone.com"}