CVE-2021-46879

High

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.

SeverityHigh
CVSS7.8
Exploit probability—
ProductTreasuredata Fluent Bit
PublishedApr 11, 2023
First seenApr 11, 2023

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
treasuredata fluent_bit1.7.1—

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