CVE-2017-13649

{"id": "CVE-2017-13649", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 2.1, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2017-08-23T21:29:00.280", "references": [{"url": "http://www.securityfocus.com/bid/100507", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://bugs.unrealircd.org/view.php?id=4990", "tags": ["Issue Tracking", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-665"}]}], "descriptions": [{"lang": "en", "value": "UnrealIRCd 4.0.13 and earlier creates a PID file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for PID file modification before a root script executes a \"kill `cat /pathname`\" command. NOTE: the vendor indicates that there is no common or recommended scenario in which a root script would execute this kill command."}, {"lang": "es", "value": "UnrealIRCd 4.0.13 y anteriores crea un archivo PID tras eliminar privilegios a una cuenta no-root, lo que podr\u00eda permitir que usuarios locales terminen procesos arbitrarios aprovechando el acceso a esta cuenta no-root para modificar PID antes de que un script root ejecute un comando \"kill `cat /pathname`\". NOTA: El proveedor indica que no existe un escenario com\u00fan o recomendado en el que un script root ejecutar\u00eda este comando kill."}], "lastModified": "2019-10-03T00:03:26.223", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:unrealircd:unrealircd:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "820D68EC-4DF4-4050-8BB5-996690483267", "versionEndIncluding": "4.0.13"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}