CVE-2023-29571: Buffer Overflow

Published Apr 12, 2023
·
Updated

Cesanta MJS v2.20.0 was discovered to contain a SEGV vulnerability via gcsweep at src/mjsgc.c. This vulnerability can lead to a Denial of Service (DoS).

Affected Software

1 affected component
Cesanta mJS=2.20.0

Event History

Apr 12, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
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Frequently Asked Questions

1

What is CVE-2023-29571?

CVE-2023-29571 is a vulnerability in Cesanta MJS v2.20.0 that can lead to a Denial of Service (DoS) due to memory corruption.

2

How severe is CVE-2023-29571?

CVE-2023-29571 has a severity rating of medium with a CVSS score of 5.5.

3

How can the vulnerability CVE-2023-29571 be exploited?

CVE-2023-29571 can be exploited through the gc_sweep function in src/mjs_gc.c, causing a SEGV (segmentation fault) and potential DoS.

4

Is there a fix available for CVE-2023-29571?

Yes, upgrading to a version of Cesanta MJS that is not affected, if available, is recommended to mitigate CVE-2023-29571.

5

Where can I find more information about CVE-2023-29571?

More information about CVE-2023-29571 can be found in the GitHub issues page: [https://github.com/cesanta/mjs/issues/241](https://github.com/cesanta/mjs/issues/241)

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