CVE-2024-35161

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

A

pache 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. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.10, from 9.0.0 through 9.2.4. Users can set a new setting (proxy.config.http.drop_chunked_trailers) not to forward chunked trailer section. Users are recommended to upgrade to version 8.1.11 or 9.2.5, which fixes the issue.

References

Link	Resource
https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0	Mailing List Vendor Advisory
https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0	Mailing List Vendor Advisory
https://lists.debian.org/debian-lts-announce/2024/09/msg00040.html

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:traffic_server::::::::
	cpe:2.3:a:apache:traffic_server::::::::

History

03 Nov 2025, 22:16

Type	Values Removed	Values Added
References		() https://lists.debian.org/debian-lts-announce/2024/09/msg00040.html -

21 Nov 2024, 09:19

Type	Values Removed	Values Added
References	~~() https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0 - Mailing List, Vendor Advisory~~	() https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0 - Mailing List, Vendor Advisory

13 Aug 2024, 09:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-07-26 10:15

Updated : 2025-11-03 22:16

NVD link : CVE-2024-35161

Mitre link : CVE-2024-35161

CVE.ORG link : CVE-2024-35161

JSON object : View

Products Affected

traffic_server

CWE

CWE-444

Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

{"id": "CVE-2024-35161", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "[email protected]", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2024-07-26T10:15:02.567", "references": [{"url": "https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0", "tags": ["Mailing List", "Vendor Advisory"], "source": "[email protected]"}, {"url": "https://lists.apache.org/thread/c4mcmpblgl8kkmyt56t23543gp8v56m0", "tags": ["Mailing List", "Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://lists.debian.org/debian-lts-announce/2024/09/msg00040.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-444"}]}, {"type": "Secondary", "source": "[email protected]", "description": [{"lang": "en", "value": "CWE-444"}]}], "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."}, {"lang": "es", "value": "Apache Traffic Server reenv\u00eda la secci\u00f3n fragmentada HTTP mal formada a los servidores de origen. Esto se puede utilizar para el contrabando de solicitudes y tambi\u00e9n puede provocar un envenenamiento de la cach\u00e9 si los servidores de origen son vulnerables. Este problema afecta a Apache Traffic Server: desde la versi\u00f3n 8.0.0 hasta la 8.1.10, desde la versi\u00f3n 9.0.0 hasta la 9.2.4. Los usuarios pueden establecer una nueva configuraci\u00f3n (proxy.config.http.drop_chunked_trailers) para no reenviar la secci\u00f3n fragmentada del tr\u00e1iler. Se recomienda a los usuarios que actualicen a la versi\u00f3n 8.1.11 o 9.2.5, que soluciona el problema."}], "lastModified": "2025-11-03T22:16:55.883", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E4F8362B-1EAE-453D-B231-744F00ED33BF", "versionEndExcluding": "8.1.11", "versionStartIncluding": "8.0.0"}, {"criteria": "cpe:2.3:a:apache:traffic_server:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "5DEB7909-4350-4D44-BAA2-72BEF6E132C1", "versionEndExcluding": "9.2.5", "versionStartIncluding": "9.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "[email protected]"}