CVE-2024-4323 Fluent Bit Memory Corruption Vulnerability
Attackers can exploit memory corruption in Fluent Bit's HTTP server to achieve remote code execution, denial of service, or information disclosure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-4323?
CVE-2024-4323 is a critical memory corruption vulnerability in Fluent Bit, published on 20 May 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A memory corruption vulnerability in Fluent Bit versions 2.0.7 thru 3.0.3. This issue lies in the embedded http server’s parsing of trace requests and may result in denial of service conditions, information disclosure, or remote code execution.
Which versions are affected by CVE-2024-4323?
1 open source package ship an affected version, including fluent-bit. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
fluent-bit Bitnami | From 2.0.7 | 3.0.4 |
Products include Treasuredata Fluent Bit.
How do I fix CVE-2024-4323?
Upgrade fluent-bit to 3.0.4 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-4323 being exploited?
There is no known exploitation of CVE-2024-4323 in the wild and no public exploit code.
Public exploit code: 3 proofs of concept on GitHub.
Other vulnerabilities in Fluent Bit
Sources
Also known as AZL-42103, AZL-42162, BIT-fluent-bit-2024-4323, GHSA-68mr-468g-4wmg.