{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-32732","assignerOrgId":"14ed7db2-1595-443d-9d34-6215bf890778","state":"PUBLISHED","assignerShortName":"Google","dateReserved":"2023-05-12T08:58:54.033Z","datePublished":"2023-06-09T10:48:15.075Z","dateUpdated":"2025-02-13T16:55:01.392Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"gRPC","vendor":"Google","versions":[{"lessThan":"1.54","status":"affected","version":"1.53","versionType":"custom"}]}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in&nbsp;<a target=\"_blank\" rel=\"nofollow\" href=\"https://www.google.com/url?sa=D&amp;q=https%3A%2F%2Fgithub.com%2Fgrpc%2Fgrpc%2Fpull%2F32309\">https://github.com/grpc/grpc/pull/32309</a><br>"}],"value":"gRPC contains a vulnerability whereby a client can cause a termination of connection between a HTTP2 proxy and a gRPC server: a base64 encoding error for `-bin` suffixed headers will result in a disconnection by the gRPC server, but is typically allowed by HTTP2 proxies. We recommend upgrading beyond the commit in  https://github.com/grpc/grpc/pull/32309 https://www.google.com/url"}],"impacts":[{"capecId":"CAPEC-220","descriptions":[{"lang":"en","value":"CAPEC-220 Client-Server Protocol Manipulation"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-440","description":"CWE-440: Expected Behavior Violation","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"14ed7db2-1595-443d-9d34-6215bf890778","shortName":"Google","dateUpdated":"2023-07-23T02:06:09.201Z"},"references":[{"url":"https://github.com/grpc/grpc/pull/32309"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37IDNVY5AWVH7JDMM2SDTL24ZPPZJNSY/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VWE44J5FG7THHL7XVEVTNIGEYBNKJBLL/"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Fixes available in these releases:<br>- 1.52.2: <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.52.2\">https://github.com/grpc/grpc/releases/tag/v1.52.2</a><br>- 1.53.1: <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.53.1\">https://github.com/grpc/grpc/releases/tag/v1.53.1</a><br>- 1.54.2: <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.54.2\">https://github.com/grpc/grpc/releases/tag/v1.54.2</a><br>- 1.55.0: <a target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/grpc/grpc/releases/tag/v1.55.0\">https://github.com/grpc/grpc/releases/tag/v1.55.0</a><br><br>"}],"value":"Fixes available in these releases:\n- 1.52.2:  https://github.com/grpc/grpc/releases/tag/v1.52.2 https://github.com/grpc/grpc/releases/tag/v1.52.2 \n- 1.53.1:  https://github.com/grpc/grpc/releases/tag/v1.53.1 https://github.com/grpc/grpc/releases/tag/v1.53.1 \n- 1.54.2:  https://github.com/grpc/grpc/releases/tag/v1.54.2 https://github.com/grpc/grpc/releases/tag/v1.54.2 \n- 1.55.0:  https://github.com/grpc/grpc/releases/tag/v1.55.0 https://github.com/grpc/grpc/releases/tag/v1.55.0"}],"source":{"discovery":"UNKNOWN"},"title":"Denial-of-Service in gRPC","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T15:25:36.637Z"},"title":"CVE Program Container","references":[{"url":"https://github.com/grpc/grpc/pull/32309","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/37IDNVY5AWVH7JDMM2SDTL24ZPPZJNSY/","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VWE44J5FG7THHL7XVEVTNIGEYBNKJBLL/","tags":["x_transferred"]}]},{"affected":[{"vendor":"grpc","product":"grpc","cpes":["cpe:2.3:a:grpc:grpc:*:*:*:*:*:*:*:*"],"defaultStatus":"unknown","versions":[{"version":"1.53","status":"affected","lessThan":"1.54","versionType":"custom"}]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-26T18:59:27.982940Z","id":"CVE-2023-32732","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-26T19:03:12.183Z"}}]}}