CVE-2024-4323

Fluent Bit Memory Corruption Vulnerability

CVSS 9.8 CRITICALEPSS 28.3%CWE-122

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Fluent Bit · Fluent Bit

public PoCs found — 3

githubgithub.com/skilfoy/CVE-2024-4323-Exploit-POC★ 15 githubgithub.com/d0rb/CVE-2024-4323★ 1 githubgithub.com/yuansec/CVE-2024-4323-dos_poc★ 0

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://github.com/fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04 https://tenable.com/security/research/tra-2024-17 https://www.vicarius.io/vsociety/posts/linguistic-lumberjack-memory-corruption-in-fluent-bit-cve-2024-4323