High severity · published Mar 26, 2024
CVE-2024-23722
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
7.5
CVSS
1%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FB
Fluent Bit · Treasuredata
2.1.8 before 2.2.2 · source: NVD, CISA
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-23722
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-23722
Patch
https://github.com/fluent/fluent-bit/compare/v2.2.1...v2.2.2
Exploit
https://medium.com/%40adurands82/fluent-bit-dos-vulnerability-cve-2024-23722-4e3e74af9d00
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