CVE-2024-23452 Apache bRPC: HTTP request smuggling vulnerability
Attackers can smuggle HTTP requests in Apache bRPC due to non-compliant parsing, potentially bypassing security controls or corrupting data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-23452?
CVE-2024-23452 is a high-severity vulnerability in Apache bRPC, published on 8 Feb 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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
Weakness: CWE-444
Which versions are affected by CVE-2024-23452?
It affects 1 product.
Products include Apache Brpc.
How do I fix CVE-2024-23452?
No fix has been published for CVE-2024-23452 yet. Limit exposure of the affected software until one is available.
Is CVE-2024-23452 being exploited?
There is no known exploitation of CVE-2024-23452 in the wild and no public exploit code.
Other vulnerabilities in Apache bRPC
- CVE-2025-60021 Apache bRPC: Remote command injection vulnerability in heap builtin service
- CVE-2023-31039 Apache bRPC: ServerOptions.pid_file may cause arbitrary code execution
- CVE-2025-59789 Apache bRPC: Stack Exhaustion via Unbounded Recursion in JSON Parser
- CVE-2025-54472 Apache bRPC: Redis Parser Remote Denial of Service
- CVE-2023-45757 Apache bRPC: The builtin service rpcz page has an XSS attack vulnerability
Sources
Also known as GHSA-2862-59r4-c989.