CVE-2021-40401

Public Exploit

Description

A use-after-free vulnerability exists in the RS-274X aperture definition tokenization functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and Gerbv forked 2.7.1. A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

References

Link	Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1415	third party advisory exploit
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/	vendor advisory
https://www.debian.org/security/2022/dsa-5306	third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-40401?: CVE-2021-40401 has been scored as a high severity vulnerability.
How to fix CVE-2021-40401?: To fix CVE-2021-40401, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-40401 being actively exploited in the wild?: It is possible that CVE-2021-40401 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-40401?: CVE-2021-40401 affects n/a Gerbv.

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Description

Category

CWE-252 – Unchecked Return Value

References

Frequently Asked Questions