VulnerabilityAnalyzed

CVE-2024-23722

It crashes and does not restart.

HIGH 7.5EPSS 0.94%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.94%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

In Fluent Bit 2.1.8 through 2.2.1, a NULL pointer dereference can be caused via an invalid HTTP payload with the content type of x-www-form-urlencoded. It crashes and does not restart. This could result in logs not being delivered properly.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.94% probability · 59th percentile
CISA KEV: Not listed
Weakness: CWE-476
Affected: treasuredata/fluent bit
Source: cve@mitre.org

References

https://github.com/fluent/fluent-bit/compare/v2.2.1...v2.2.2Patch
https://medium.com/%40adurands82/fluent-bit-dos-vulnerability-cve-2024-23722-4e3e74af9d00Exploit, Third Party Advisory
https://github.com/fluent/fluent-bit/compare/v2.2.1...v2.2.2Patch
https://medium.com/%40adurands82/fluent-bit-dos-vulnerability-cve-2024-23722-4e3e74af9d00Exploit, Third Party Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.