CVE-2021-29221

{"id": "CVE-2021-29221", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 6.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:H/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "HIGH", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 1.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.0, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.0}]}, "published": "2021-04-09T14:15:12.910", "references": [{"url": "https://deepsurface.com/deepsurface-security-advisory-local-privilege-escalation-in-erlang-on-windows-cve-2021-29221/", "tags": ["Exploit", "Third Party Advisory"], "source": "security@deepsurface.com"}, {"url": "https://github.com/erlang/otp/releases/tag/OTP-23.2.3", "tags": ["Third Party Advisory"], "source": "security@deepsurface.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-426"}]}], "descriptions": [{"lang": "en", "value": "A local privilege escalation vulnerability was discovered in Erlang/OTP prior to version 23.2.3. By adding files to an existing installation's directory, a local attacker could hijack accounts of other users running Erlang programs or possibly coerce a service running with \"erlsrv.exe\" to execute arbitrary code as Local System. This can occur only under specific conditions on Windows with unsafe filesystem permissions."}, {"lang": "es", "value": "Se detect\u00f3 una vulnerabilidad de escalada de privilegios local en Erlang/OTP anterior a versi\u00f3n 23.2.3. Al agregar archivos a un directorio de instalaci\u00f3n existente, un atacante local podr\u00eda secuestrar cuentas de otros usuarios que ejecutan programas Erlang o posiblemente coaccionar un servicio que se ejecuta con \"erlsrv.exe\" para ejecutar c\u00f3digo arbitrario como Local System. Esto puede ocurrir solo bajo condiciones espec\u00edficas en Windows con permisos de sistema de archivos no seguros"}], "lastModified": "2021-04-20T18:00:21.923", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "795C26C5-EC7F-4216-BD92-657D2ECF5E19", "versionEndExcluding": "23.2.3"}], "operator": "OR"}, {"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "A2572D17-1DE6-457B-99CC-64AFD54487EA"}], "operator": "OR"}], "operator": "AND"}], "sourceIdentifier": "security@deepsurface.com"}