CVE-2020-15264

{"id": "CVE-2020-15264", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "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}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.0, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.3}]}, "published": "2020-10-20T21:15:12.633", "references": [{"url": "https://github.com/chocolatey/boxstarter/commit/67e320491813550b48900e87105a34ceefdcf633", "tags": ["Patch", "Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://github.com/chocolatey/boxstarter/security/advisories/GHSA-rpgx-h675-r3jf", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}, {"url": "https://www.kb.cert.org/vuls/id/208577", "tags": ["Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-668"}, {"lang": "en", "value": "CWE-73"}]}], "descriptions": [{"lang": "en", "value": "The Boxstarter installer before version 2.13.0 configures C:\\ProgramData\\Boxstarter to be in the system-wide PATH environment variable. However, this directory is writable by normal, unprivileged users. To exploit the vulnerability, place a DLL in this directory that a privileged service is looking for. For example, WptsExtensions.dll When Windows starts, it'll execute the code in DllMain() with SYSTEM privileges. Any unprivileged user can execute code with SYSTEM privileges. The issue is fixed in version 3.13.0"}, {"lang": "es", "value": "El instalador de Boxstarter anterior a versi\u00f3n 2.13.0 configura C:\\ProgramData\\Boxstarter para estar en la variable de entorno PATH system-wide. Sin embargo, este directorio es escribible por usuarios normales no privilegiados. Para explotar la vulnerabilidad, coloque una DLL en este directorio que est\u00e1 buscando un servicio privilegiado. Por ejemplo, la biblioteca WptsExtensions.dll, cuando Windows inicie ejecutar\u00e1 el c\u00f3digo en la funci\u00f3n DllMain() con privilegios SYSTEM. Cualquier usuario no privilegiado puede ejecutar c\u00f3digo con privilegios SYSTEM. El problema es corregido en la versi\u00f3n 3.13.0"}], "lastModified": "2020-10-30T22:32:46.607", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:chocolatey:boxstarter:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2032E45E-759C-4DBB-ADA3-355236C139C0", "versionEndExcluding": "2.13.0"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}