CVE-2024-23452 (GCVE-0-2024-23452)
Vulnerability from cvelistv5 – Published: 2024-02-08 09:00 – Updated: 2025-06-04 15:07
VLAI
EPSS
VEX
Title
Apache bRPC: HTTP request smuggling vulnerability
Summary
Request smuggling vulnerability in HTTP server in Apache bRPC 0.9.5~1.7.0 on all platforms allows attacker to smuggle request.
Vulnerability Cause Description：
The http_parser does not comply with the RFC-7230 HTTP 1.1 specification.
Attack scenario:
If a message is received with both a Transfer-Encoding and a Content-Length header field, such a message might indicate an attempt to perform request smuggling or response splitting.
One particular attack scenario is that a bRPC made http server on the backend receiving requests in one persistent connection from frontend server that uses TE to parse request with the logic that 'chunk' is contained in the TE field. in that case an attacker can smuggle a request into the connection to the backend server.
Solution:
You can choose one solution from below:
1. Upgrade bRPC to version 1.8.0, which fixes this issue. Download link: https://github.com/apache/brpc/releases/tag/1.8.0
2. Apply this patch: https://github.com/apache/brpc/pull/2518
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-02-08 17:08 UTC
CWE
- CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')
Assigner
apache
CNA
References
4 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache bRPC |
Affected:
0.9.5 , < 1.8.0
(semver)
|
{
"containers": {
"adp": [
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-23452",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-08T17:08:43.851987Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2025-06-04T15:07:20.721Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
},
{
"providerMetadata": {
"dateUpdated": "2024-08-01T23:06:24.216Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"release-notes",
"x_transferred"
],
"url": "https://github.com/apache/brpc/releases/tag/1.8.0"
},
{
"tags": [
"patch",
"x_transferred"
],
"url": "https://github.com/apache/brpc/pull/2518"
},
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://lists.apache.org/thread/kkvdpwyr2s2yt9qvvxfdzon012898vxd"
},
{
"tags": [
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2024/02/08/1"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Apache bRPC",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThan": "1.8.0",
"status": "affected",
"version": "0.9.5",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Pingtao Wei of 2012 Laboratories"
},
{
"lang": "en",
"type": "finder",
"value": "Ziyang Chen of 2012 Laboratories"
},
{
"lang": "en",
"type": "finder",
"value": "Haoran Zhi of 2012 Laboratories"
},
{
"lang": "en",
"type": "finder",
"value": "Hongpei Li of 2012 Laboratories"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Request smuggling vulnerability in HTTP server in Apache bRPC 0.9.5~1.7.0 on all platforms allows attacker to smuggle request.\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cb\u003eVulnerability Cause Description\uff1a\u003c/b\u003e\u003cu\u003e\u003c/u\u003e\u003cu\u003e\u003c/u\u003e\u003c/p\u003e\u003cp\u003eThe http_parser does not comply with the RFC-7230 HTTP 1.1 specification.\u003c/p\u003e\u003cbr\u003e\u003cb\u003eAttack\u0026nbsp;scenario:\u003cbr\u003e\u003c/b\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eIf a message is received with both a Transfer-Encoding and a Content-Length header field, such a message might indicate an attempt to perform request smuggling or response splitting.\u003c/span\u003e\u003cbr\u003e\u003cp\u003eOne particular attack scenario is that a bRPC made http server on the backend receiving requests in one persistent connection from frontend server that uses TE to parse request with the logic that \u0027chunk\u0027 is contained in the TE field. in that case an attacker can smuggle a request into the connection to the backend server.\u0026nbsp;\u003cbr\u003e\u003c/p\u003e\u003cbr\u003e\u003cb\u003eSolution:\u003cbr\u003e\u003c/b\u003eYou can choose one solution from below:\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e1. Upgrade bRPC to version 1.8.0, which fixes this issue. Download link: \u003c/span\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/apache/brpc/releases/tag/1.8.0\"\u003ehttps://github.com/apache/brpc/releases/tag/1.8.0\u003cbr\u003e\u003c/a\u003e2. Apply this patch:\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/apache/brpc/pull/2518\"\u003ehttps://github.com/apache/brpc/pull/2518\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e"
}
],
"value": "Request smuggling vulnerability in HTTP server in Apache bRPC 0.9.5~1.7.0 on all platforms allows attacker to smuggle request.\n\nVulnerability Cause Description\uff1a\n\nThe http_parser does not comply with the RFC-7230 HTTP 1.1 specification.\n\nAttack\u00a0scenario:\nIf a message is received with both a Transfer-Encoding and a Content-Length header field, such a message might indicate an attempt to perform request smuggling or response splitting.\nOne particular attack scenario is that a bRPC made http server on the backend receiving requests in one persistent connection from frontend server that uses TE to parse request with the logic that \u0027chunk\u0027 is contained in the TE field. in that case an attacker can smuggle a request into the connection to the backend server.\u00a0\n\nSolution:\nYou can choose one solution from below:\n1. Upgrade bRPC to version 1.8.0, which fixes this issue. Download link: https://github.com/apache/brpc/releases/tag/1.8.0\n 2. Apply this patch:\u00a0 https://github.com/apache/brpc/pull/2518"
}
],
"metrics": [
{
"other": {
"content": {
"text": "moderate"
},
"type": "Textual description of severity"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-444",
"description": "CWE-444 Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request Smuggling\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-02-08T09:00:08.888Z",
"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"shortName": "apache"
},
"references": [
{
"tags": [
"release-notes"
],
"url": "https://github.com/apache/brpc/releases/tag/1.8.0"
},
{
"tags": [
"patch"
],
"url": "https://github.com/apache/brpc/pull/2518"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://lists.apache.org/thread/kkvdpwyr2s2yt9qvvxfdzon012898vxd"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/02/08/1"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Apache bRPC: HTTP request smuggling vulnerability",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"assignerShortName": "apache",
"cveId": "CVE-2024-23452",
"datePublished": "2024-02-08T09:00:04.809Z",
"dateReserved": "2024-01-17T02:54:25.488Z",
"dateUpdated": "2025-06-04T15:07:20.721Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-01T23:06:24.216Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"release-notes",
"x_transferred"
],
"url": "https://github.com/apache/brpc/releases/tag/1.8.0"
},
{
"tags": [
"patch",
"x_transferred"
],
"url": "https://github.com/apache/brpc/pull/2518"
},
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://lists.apache.org/thread/kkvdpwyr2s2yt9qvvxfdzon012898vxd"
},
{
"tags": [
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2024/02/08/1"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2024-23452",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-02-08T17:08:43.851987Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-07-05T15:20:36.641Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Apache bRPC",
"vendor": "Apache Software Foundation",
"versions": [
{
"lessThan": "1.8.0",
"status": "affected",
"version": "0.9.5",
"versionType": "semver"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Pingtao Wei of 2012 Laboratories"
},
{
"lang": "en",
"type": "finder",
"value": "Ziyang Chen of 2012 Laboratories"
},
{
"lang": "en",
"type": "finder",
"value": "Haoran Zhi of 2012 Laboratories"
},
{
"lang": "en",
"type": "finder",
"value": "Hongpei Li of 2012 Laboratories"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Request smuggling vulnerability in HTTP server in Apache bRPC 0.9.5~1.7.0 on all platforms allows attacker to smuggle request.\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cb\u003eVulnerability Cause Description\uff1a\u003c/b\u003e\u003cu\u003e\u003c/u\u003e\u003cu\u003e\u003c/u\u003e\u003c/p\u003e\u003cp\u003eThe http_parser does not comply with the RFC-7230 HTTP 1.1 specification.\u003c/p\u003e\u003cbr\u003e\u003cb\u003eAttack\u0026nbsp;scenario:\u003cbr\u003e\u003c/b\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eIf a message is received with both a Transfer-Encoding and a Content-Length header field, such a message might indicate an attempt to perform request smuggling or response splitting.\u003c/span\u003e\u003cbr\u003e\u003cp\u003eOne particular attack scenario is that a bRPC made http server on the backend receiving requests in one persistent connection from frontend server that uses TE to parse request with the logic that \u0027chunk\u0027 is contained in the TE field. in that case an attacker can smuggle a request into the connection to the backend server.\u0026nbsp;\u003cbr\u003e\u003c/p\u003e\u003cbr\u003e\u003cb\u003eSolution:\u003cbr\u003e\u003c/b\u003eYou can choose one solution from below:\u003cbr\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e1. Upgrade bRPC to version 1.8.0, which fixes this issue. Download link: \u003c/span\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/apache/brpc/releases/tag/1.8.0\"\u003ehttps://github.com/apache/brpc/releases/tag/1.8.0\u003cbr\u003e\u003c/a\u003e2. Apply this patch:\u0026nbsp;\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://github.com/apache/brpc/pull/2518\"\u003ehttps://github.com/apache/brpc/pull/2518\u003c/a\u003e\u003cbr\u003e\u003cbr\u003e"
}
],
"value": "Request smuggling vulnerability in HTTP server in Apache bRPC 0.9.5~1.7.0 on all platforms allows attacker to smuggle request.\n\nVulnerability Cause Description\uff1a\n\nThe http_parser does not comply with the RFC-7230 HTTP 1.1 specification.\n\nAttack\u00a0scenario:\nIf a message is received with both a Transfer-Encoding and a Content-Length header field, such a message might indicate an attempt to perform request smuggling or response splitting.\nOne particular attack scenario is that a bRPC made http server on the backend receiving requests in one persistent connection from frontend server that uses TE to parse request with the logic that \u0027chunk\u0027 is contained in the TE field. in that case an attacker can smuggle a request into the connection to the backend server.\u00a0\n\nSolution:\nYou can choose one solution from below:\n1. Upgrade bRPC to version 1.8.0, which fixes this issue. Download link: https://github.com/apache/brpc/releases/tag/1.8.0\n 2. Apply this patch:\u00a0 https://github.com/apache/brpc/pull/2518"
}
],
"metrics": [
{
"other": {
"content": {
"text": "moderate"
},
"type": "Textual description of severity"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-444",
"description": "CWE-444 Inconsistent Interpretation of HTTP Requests (\u0027HTTP Request Smuggling\u0027)",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-02-08T09:00:08.888Z",
"orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"shortName": "apache"
},
"references": [
{
"tags": [
"release-notes"
],
"url": "https://github.com/apache/brpc/releases/tag/1.8.0"
},
{
"tags": [
"patch"
],
"url": "https://github.com/apache/brpc/pull/2518"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://lists.apache.org/thread/kkvdpwyr2s2yt9qvvxfdzon012898vxd"
},
{
"url": "http://www.openwall.com/lists/oss-security/2024/02/08/1"
}
],
"source": {
"discovery": "EXTERNAL"
},
"title": "Apache bRPC: HTTP request smuggling vulnerability",
"x_generator": {
"engine": "Vulnogram 0.1.0-dev"
}
}
},
"cveMetadata": {
"assignerOrgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
"assignerShortName": "apache",
"cveId": "CVE-2024-23452",
"datePublished": "2024-02-08T09:00:04.809Z",
"dateReserved": "2024-01-17T02:54:25.488Z",
"dateUpdated": "2025-06-04T15:07:20.721Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
Loading…
Loading…
Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
Loading timeline…
Loading…
Loading…
The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
Loading…
Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.