{"id":"CVE-2024-35161","state":"PUBLISHED","title":"Apache Traffic Server: Incomplete check for chunked trailer section allows request smuggling","description":"Apache Traffic Server forwards malformed HTTP chunked trailer section to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable.\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.\n\nUsers can set a new setting (proxy.config.http.drop_chunked_trailers) not to forward chunked trailer section.\nUsers are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.","publishedAt":"2024-07-26T09:10:56.281Z","updatedAt":"2025-11-03T21:54:57.527Z","severity":{"score":9.1,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Traffic Server"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Traffic Server","defaultStatus":"unaffected","versions":[{"version":"8.0.0","status":"affected","lessThanOrEqual":"8.1.10","versionType":"semver"},{"version":"9.0.0","status":"affected","lessThanOrEqual":"9.2.4","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0","https://lists.debian.org/debian-lts-announce/2024/09/msg00040.html"],"weaknesses":["CWE-444"],"ingestedAt":"2026-10-29T20:07:30.303Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/35xxx/CVE-2024-35161.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-35161","state":"PUBLISHED","datePublished":"2024-07-26T09:10:56.281Z","dateUpdated":"2025-11-03T21:54:57.527Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2024-05-09T20:04:47.056Z"},"containers":{"cna":{"title":"Apache Traffic Server: Incomplete check for chunked trailer section allows request smuggling","descriptions":[{"lang":"en","value":"Apache Traffic Server forwards malformed HTTP chunked trailer section to origin servers. This can be utilized for request smuggling and may also lead cache poisoning if the origin servers are vulnerable.\n\nThis issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4.\n\nUsers can set a new setting (proxy.config.http.drop_chunked_trailers) not to forward chunked trailer section.\nUsers are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Traffic Server","defaultStatus":"unaffected","versions":[{"version":"8.0.0","status":"affected","lessThanOrEqual":"8.1.10","versionType":"semver"},{"version":"9.0.0","status":"affected","lessThanOrEqual":"9.2.4","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0","tags":["vendor-advisory"]}],"metrics":[{"other":{"content":{"text":"low"},"type":"Textual description of severity"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-444","description":"CWE-444 Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2024-08-13T08:48:33.287Z"},"credits":[{"lang":"en","type":"reporter","value":"Keran Mu"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"apache","product":"traffic_server","defaultStatus":"unknown","versions":[{"version":"8.0.0","status":"affected","lessThanOrEqual":"8.1.10","versionType":"semver"},{"version":"9.0.0","status":"affected","lessThanOrEqual":"9.2.4","versionType":"semver"}],"cpes":["cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*"]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":9.1,"attackVector":"NETWORK","baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"NONE","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-07-31T17:38:35.230307Z","id":"CVE-2024-35161","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-07-31T17:47:08.763Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0","tags":["vendor-advisory","x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00040.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T21:54:57.527Z"}}]}}}