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CVE-2024-8947

5.6 · MEDIUM

A vulnerability was found in MicroPython 1.22.2.

Published Sep 17, 2024CWE-416EPSS 1.03%

Overview

CVE-2024-8947 is a medium-severity vulnerability. It was published on September 17, 2024 and has a CVSS 3.1 base score of 5.6 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.6, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

A vulnerability was found in MicroPython 1.22.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file py/objarray.c. The manipulation leads to use after free. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 1.23.0 is able to address this issue. The identifier of the patch is 4bed614e707c0644c06e117f848fa12605c711cd. It is recommended to upgrade the affected component. In micropython objarray component, when a bytes object is resized and copied into itself, it may reference memory that has already been freed.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/micropython/micropython/commit/4bed614e707c0644c06e117f848fa12605c711cdGitHubgithub.com/micropython/micropython/issues/13283GitHubgithub.com/micropython/micropython/issues/13283#issuecomment-1918479709GitHubgithub.com/micropython/micropython/releases/tag/v1.23.0Refvuldb.com/?ctiid.277765Refvuldb.com/?id.277765Refvuldb.com/?submit.409316

How CyberStrike helps

Frequently asked questions

What is CVE-2024-8947?

CVE-2024-8947 is a medium-severity vulnerability. It was published on September 17, 2024 and has a CVSS 3.1 base score of 5.6 (MEDIUM).

How severe is CVE-2024-8947?

This vulnerability has a CVSS 3.1 base score of 5.6, rated MEDIUM. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-8947?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2024-8947?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-8947 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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