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).

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

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

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33750	Exploit Patch Third Party Advisory
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 (hide)

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

Information

Published : 2021-06-30 20:15

Updated : 2021-07-08 11:33

NVD link : CVE-2021-36088

Mitre link : CVE-2021-36088

JSON object : View

CWE

CWE-415

Double Free

Products Affected

treasuredata

fluent_bit

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9.8 /10