CVE-2021-46878
High
Description
An issue was discovered in Treasure Data Fluent Bit 1.7.1, erroneous parsing in flb_pack_msgpack_to_json_format leads to type confusion bug that interprets whatever is on the stack as msgpack maps and arrays, leading to use-after-free. This can be used by an attacker to craft a specially craft file and trick the victim opening it using the affect software, triggering use-after-free and execute arbitrary code on the target system.
SeverityHigh
CVSS7.8
Exploit probability—
ProductTreasuredata Fluent Bit
PublishedApr 11, 2023
First seenApr 11, 2023
Weakness typeCWE-843CWE-843
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| treasuredata fluent_bit | 1.7.1 | — |
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