CVE-2024-4323

Fluent Bit Memory Corruption Vulnerability

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.

Affected

Fluent Bit

CVSS v3.1 NVD

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

EPSS

27.24% chance of exploitation in the next 30 days, 98th percentile

Published

2024-05-20

Updated

2024-08-19

Proof-of-concept exploits (4)

• https://www.vicarius.io/vsociety/posts/linguistic-lumberjack-memory-corruption-in-fluent-…
• d0rb/CVE-2024-43231★ · 2024-05-21
• skilfoy/CVE-2024-4323-Exploit-POC15★ · 2024-05-20
• yuansec/CVE-2024-4323-dos_poc0★ · 2024-05-22

Security advisories

• https://tenable.com/security/research/tra-2024-17
• fluent/fluent-bit/commit/9311b43a258352797af40749ab31a63c32acfd04

References

• CVE Record
• NVD entry

Related

• CVE-2021-34527
• CVE-2021-3773
• CVE-2023-26469
• CVE-2023-2916
• CVE-2023-30943
• CVE-2023-33242