{ "id": "CVE-2018-21035", "sourceIdentifier": "cve@mitre.org", "published": "2020-02-28T21:15:12.790", "lastModified": "2020-08-24T17:37:01.140", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "In Qt through 5.14.1, the WebSocket implementation accepts up to 2GB for frames and 2GB for messages. Smaller limits cannot be configured. This makes it easier for attackers to cause a denial of service (memory consumption)." }, { "lang": "es", "value": "En Qt versiones hasta 5.14.1, la implementaci\u00f3n de WebSocket acepta hasta 2GB para tramas y 2GB para mensajes. Los l\u00edmites m\u00e1s peque\u00f1os no pueden ser configurados. Esto hace m\u00e1s f\u00e1cil para los atacantes causar una denegaci\u00f3n de servicio (consumo de memoria)" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV30": [ { "source": "cve@mitre.org", "type": "Secondary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 8.6, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 4.0 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-770" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*", "versionEndIncluding": "5.14.1", "matchCriteriaId": "C0679A9C-0004-4EB6-8813-78FFB72F7680" } ] } ] } ], "references": [ { "url": "https://bugreports.qt.io/browse/QTBUG-70693", "source": "cve@mitre.org", "tags": [ "Exploit", "Third Party Advisory" ] }, { "url": "https://codereview.qt-project.org/c/qt/qtwebsockets/+/284735", "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ] } ] }