CVE-2021-27186 - Vulnerability Details - OpenCVE

Description

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.

Published: 2021-02-10

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

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

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-13952	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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00409.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/fluent/fluent-bit/issues/3044
https://github.com/fluent/fluent-bit/pull/3045
https://github.com/fluent/fluent-bit/pull/3047

History

No history.

Subscriptions

Treasuredata Fluent Bit

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-02-10T21:24:31.000Z

Updated: 2024-08-03T20:40:47.402Z

Reserved: 2021-02-10T00:00:00.000Z

Link: CVE-2021-27186

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-02-10T22:15:13.877

Modified: 2024-11-21T05:57:31.047

Link: CVE-2021-27186

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-476

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