{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2024-31309", "assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09", "state": "PUBLISHED", "assignerShortName": "apache", "dateReserved": "2024-03-29T18:52:13.204Z", "datePublished": "2024-04-10T12:07:16.975Z", "dateUpdated": "2024-11-12T18:24:22.338Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Apache Traffic Server", "vendor": "Apache Software Foundation", "versions": [{"lessThanOrEqual": "8.1.9", "status": "affected", "version": "8.0.0", "versionType": "semver"}, {"lessThanOrEqual": "9.2.3", "status": "affected", "version": "9.0.0", "versionType": "semver"}]}], "credits": [{"lang": "en", "type": "reporter", "value": "Bartek Nowotarski"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<p>HTTP/2 <span style=\"background-color: rgb(255, 255, 255);\">CONTINUATION</span>&nbsp;DoS attack can cause Apache Traffic Server to consume more resources on the server.&nbsp; 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{"cveTags": [], "descriptions": [{"lang": "en", "value": "HTTP/2 CONTINUATION\u00a0DoS attack can cause Apache Traffic Server to consume more resources on the server.\u00a0 Version from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.3 are\u00a0affected.\n\nUsers can set a new setting (proxy.config.http2.max_continuation_frames_per_minute) to limit the number of CONTINUATION frames per minute. \u00a0ATS does have a fixed amount of memory a request can use and ATS adheres to these limits in previous releases.\nUsers are recommended to upgrade to versions 8.1.10 or 9.2.4 which fixes the issue.\n\n"}, {"lang": "es", "value": "Un ataque de HTTP/2 CONTINUATION DoS puede hacer que Apache Traffic Server consuma m\u00e1s recursos en el servidor. Las versiones de 8.0.0 a 8.1.9 y de 9.0.0 a 9.2.3 se ven afectadas. Los usuarios pueden establecer una nueva configuraci\u00f3n (proxy.config.http2.max_continuation_frames_per_minuto) para limitar el n\u00famero de fotogramas de CONTINUACI\u00d3N por minuto. ATS tiene una cantidad fija de memoria que una solicitud puede usar y ATS cumple con estos l\u00edmites en versiones anteriores. Se recomienda a los usuarios actualizar a las versiones 8.1.10 o 9.2.4, que solucionan el problema."}], "id": "CVE-2024-31309", "lastModified": "2024-11-12T19:35:07.513", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "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:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2024-04-10T12:15:09.257", "references": [{"source": "security@apache.org", "url": "http://www.openwall.com/lists/oss-security/2024/04/03/16"}, {"source": "security@apache.org", "url": "http://www.openwall.com/lists/oss-security/2024/04/10/7"}, {"source": "security@apache.org", "url": "https://lists.apache.org/thread/f9qh3g3jvy153wh82pz4onrfj1wh13kc"}, {"source": "security@apache.org", "url": "https://lists.debian.org/debian-lts-announce/2024/04/msg00021.html"}, {"source": "security@apache.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PBKLPQ6ECG4PGEPRCYI3Y3OITNDEFCCV/"}, {"source": "security@apache.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QV77HYM7ARSTL3B6U3IFG7PHDU65WL4I/"}, {"source": "security@apache.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/T3XON6RM5ZKCZ6K6NB7BOTAWMJQKXJDO/"}], "sourceIdentifier": "security@apache.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security@apache.org", "type": "Primary"}]}

{"acknowledgement": "Red Hat would like to thank Bartek Nowotarski (nowotarski.info) for reporting this issue.", "bugzilla": {"description": "trafficserver: CONTINUATION frames DoS", "id": "2269627", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2269627"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-400", "details": ["HTTP/2 CONTINUATION\u00a0DoS attack can cause Apache Traffic Server to consume more resources on the server.\u00a0 Version from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.3 are\u00a0affected.\nUsers can set a new setting (proxy.config.http2.max_continuation_frames_per_minute) to limit the number of CONTINUATION frames per minute. \u00a0ATS does have a fixed amount of memory a request can use and ATS adheres to these limits in previous releases.\nUsers are recommended to upgrade to versions 8.1.10 or 9.2.4 which fixes the issue.", "A vulnerability was found in how Apache Traffic Server implements the HTTP/2 protocol. There are insufficient limitations placed on the amount of CONTINUATION frames that can be sent within a single stream. This issue could allow an unauthenticated remote attacker to send packets to vulnerable servers, which could use up compute or memory resources to cause a Denial of Service."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2024-31309", "public_date": "2024-04-03T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-31309\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-31309\nhttps://nowotarski.info/http2-continuation-flood/\nhttps://www.kb.cert.org/vuls/id/421644"], "statement": "Apache Traffic Server is not shipped in any Red Hat products.", "threat_severity": "Important", "upstream_fix": "trafficserver 8.1.10, trafficserver 9.2.4"}