CVE-2021-40401: Use After Free

Published Feb 4, 2022
·
Updated

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.

Affected Software

5 affected componentsFixes available
debian/gerbv<=2.7.0-1+deb10u1
2.7.0-1+deb10u32.7.0-2+deb11u22.9.6-12.10.0-1
Gerbv Project Gerbv=2.7.0
Gerbv Project Gerbv=2.7.1-forked_dev
Fedoraproject Fedora=36
Debian Debian Linux=11.0

Event History

Feb 4, 2022
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What is the severity of CVE-2021-40401?

CVE-2021-40401 is considered to have a high severity due to its potential for code execution through specially crafted Gerber files.

2

How do I fix CVE-2021-40401?

To fix CVE-2021-40401, upgrade to versions 2.7.1-forked_dev or later for Gerbv.

3

Which software versions are affected by CVE-2021-40401?

CVE-2021-40401 affects Gerbv versions up to and including 2.7.0 and the forked version 2.7.1.

4

Can CVE-2021-40401 be exploited remotely?

Yes, CVE-2021-40401 can be exploited remotely if an attacker provides a malicious Gerber file.

5

What kind of attack is CVE-2021-40401 associated with?

CVE-2021-40401 is associated with a use-after-free vulnerability leading to potential code execution.

Contact

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