CVE Vulnerability

CVE-2021-36088

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).

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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

Configuration 1

cpe:2.3:a:treasuredata:fluent_bit:*:*:*:*:*:*:*:*
Information

Published : 2021-07-01 03:15

Updated : 2021-07-08 06:33

NVD link : CVE-2021-36088

Mitre link : CVE-2021-36088

Products Affected
No products.
CWE
CWE-415