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CVE-2024-8948

7.3 · HIGH

A vulnerability was found in MicroPython 1.23.0.

Published Sep 17, 2024CWE-122EPSS 0.99%

Overview

CVE-2024-8948 is a high-severity vulnerability. It was published on September 17, 2024 and has a CVSS 3.1 base score of 7.3 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. 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 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

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/908ab1ceca15ee6fd0ef82ca4cba770a3ec41894GitHubgithub.com/micropython/micropython/issues/13041Refvuldb.com/?ctiid.277766Refvuldb.com/?id.277766Refvuldb.com/?submit.409317

How CyberStrike helps

Frequently asked questions

What is CVE-2024-8948?

CVE-2024-8948 is a high-severity vulnerability. It was published on September 17, 2024 and has a CVSS 3.1 base score of 7.3 (HIGH).

How severe is CVE-2024-8948?

This vulnerability has a CVSS 3.1 base score of 7.3, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2024-8948?

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-2024-8948?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2024-8948 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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