CVE Vulnerability

CVE-2021-27186

Fluent Bit 1.6.10 has a NULL pointer dereference when an flb_malloc return value is not validated by flb_avro.c or http_server/api/v1/metrics.c.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/fluent/fluent-bit/issues/3044 Exploit Third Party Advisory
https://github.com/fluent/fluent-bit/pull/3045 Exploit Patch
https://github.com/fluent/fluent-bit/pull/3047 Patch Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:treasuredata:fluent_bit:1.6.10:*:*:*:*:*:*:*
Information

Published : 2021-02-10 10:15

Updated : 2021-02-16 08:42

NVD link : CVE-2021-27186

Mitre link : CVE-2021-27186

Products Affected
No products.
CWE
CWE-476