Description
An issue was discovered in Treasure Data Fluent Bit 1.7.1, a wrong variable is used to get the msgpack data resulting in a heap overflow in flb_msgpack_gelf_value_ext. An attacker can craft a malicious file and tick the victim to open the file with the software, triggering a heap overflow and execute arbitrary code on the target system.
Published: 2023-04-11
Score: 7.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2021-33529 An issue was discovered in Treasure Data Fluent Bit 1.7.1, a wrong variable is used to get the msgpack data resulting in a heap overflow in flb_msgpack_gelf_value_ext. An attacker can craft a malicious file and tick the victim to open the file with the software, triggering a heap overflow and execute arbitrary code on the target system.
History

Tue, 11 Feb 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Subscriptions

Treasuredata Fluent Bit
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-02-11T19:56:04.174Z

Reserved: 2023-03-29T00:00:00.000Z

Link: CVE-2021-46879

cve-icon Vulnrichment

Updated: 2024-08-04T05:17:42.859Z

cve-icon NVD

Status : Modified

Published: 2023-04-11T18:15:58.387

Modified: 2025-02-11T20:15:31.043

Link: CVE-2021-46879

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses