CVE-2024-23452: Apache bRPC: HTTP request smuggling vulnerability
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 httpparser 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
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Apache bRPCto a version that resolves this vulnerability.Fixed in 1.8.0Patch https://github.com/apache/brpc/pull/2518
Event History
Frequently Asked Questions
What is the severity of CVE-2024-23452?
CVE-2024-23452 is classified as a critical vulnerability due to its ability to enable request smuggling attacks.
How do I fix CVE-2024-23452?
To mitigate CVE-2024-23452, upgrade your Apache bRPC to version 1.8.0 or later.
What impact does CVE-2024-23452 have on my system?
CVE-2024-23452 can allow attackers to smuggle malicious requests, potentially leading to unauthorized access or data exfiltration.
Does CVE-2024-23452 affect all versions of Apache bRPC?
CVE-2024-23452 affects Apache bRPC versions from 0.9.5 to 1.7.0.
What protocol is misimplemented in CVE-2024-23452?
CVE-2024-23452 involves an HTTP parser that does not comply with the RFC-7230 HTTP 1.1 specification.