9.8

CVE-2021-36088

Exploit
Fluent Bit (aka fluent-bit) 1.7.0 through 1.7.4 has a double free in flb_free (called from flb_parser_json_do and flb_parser_do).
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Treasuredata ≫ Fluent Bit Version >= 1.7.0 <= 1.7.4
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 2.38% 0.817
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 7.5 10 6.4
AV:N/AC:L/Au:N/C:P/I:P/A:P
134c704f-9b21-4f2e-91b3-4a467353bcc0 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE-415 Double Free

The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations.

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33750
Patch
Third Party Advisory
Exploit
https://github.com/fluent/fluent-bit/commit/22346a74c07ceb90296be872be2d53eb92252a54
Patch
Third Party Advisory
https://github.com/fluent/fluent-bit/pull/3453
Patch
Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/fluent-bit/OSV-2021-702.yaml
Third Party Advisory