Intel

AIKIDO-2024-10495

fluent.fluent-bit is vulnerable to Use-After-Free

Pre-CVE
Found by Aikido Intel before public disclosure or CVE publication.
Published Nov 29, 2024
November 29, 2024

15

CVE Score

Low

Use-After-Free

Are you affected? Scan for Free

TL;DR

Affected versions of the fluent.fluent-bit plugin are vulnerable to a use-after-free bug in the flb_plugin_load_config_file function. This issue occurs while loading plugins from a configuration file and was introduced in version 3.2.0 with the addition of YAML support. A use-after-free vulnerability arises when a program continues to use memory that has already been freed, potentially leading to undefined behavior, memory corruption, or exploitation.

How do I fix this?

Upgrade the fluent.fluent-bit library to the patch version.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Package

fluent.fluent-bit

Versions

3.2.0 - 3.2.1

Fixed in 3.2.2

Background info

fluent.fluent-bit is vulnerable to Use-After-Free in versions 3.2.0 - 3.2.1.

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