{ "id": "CVE-2021-36154", "sourceIdentifier": "cve@mitre.org", "published": "2021-07-09T12:15:08.097", "lastModified": "2021-07-13T18:06:11.430", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "HTTP2ToRawGRPCServerCodec in gRPC Swift 1.1.1 and earlier allows remote attackers to deny service via the delivery of many small messages within a single HTTP/2 frame, leading to Uncontrolled Recursion and stack consumption." }, { "lang": "es", "value": "La funci\u00f3n HTTP2ToRawGRPCServerCodec en gRPC Swift versiones 1.1.1 y anteriores, permite a atacantes remotos denegar el servicio por medio de la entrega de muchos mensajes peque\u00f1os dentro de una sola trama HTTP/2, conllevando a una Recursi\u00f3n no controlada y un consumo de la pila" } ], "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 } ], "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-674" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:linuxfoundation:grpc_swift:1.0.0:*:*:*:*:*:*:*", "matchCriteriaId": "54DBEB87-579F-4445-AE7A-568ABC156B98" }, { "vulnerable": true, "criteria": "cpe:2.3:a:linuxfoundation:grpc_swift:1.1.0:*:*:*:*:*:*:*", "matchCriteriaId": "B578662F-9EBE-4555-8EC2-929ECB2F8638" }, { "vulnerable": true, "criteria": "cpe:2.3:a:linuxfoundation:grpc_swift:1.1.1:*:*:*:*:*:*:*", "matchCriteriaId": "86FC8B42-F425-4F74-A992-E5739997C1C5" } ] } ] } ], "references": [ { "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35274", "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ] }, { "url": "https://github.com/grpc/grpc-swift/releases", "source": "cve@mitre.org", "tags": [ "Release Notes", "Third Party Advisory" ] }, { "url": "https://github.com/grpc/grpc-swift/security/advisories/GHSA-4rhq-vq24-88gw", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }