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.

How do I fix CVE-2021-40401?

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

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.

Can CVE-2021-40401 be exploited remotely?

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

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.

Vulnerability/
CVE-2021-40401

critical

CWE

416 252

4/2/2022

4/8/2024

CVE-2021-40401: Use After Free

First published: Fri Feb 04 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.

Credit: talos-cna@cisco.com

Affected Software	Affected Version	How to fix
debian/gerbv	<=2.7.0-1+deb10u1	2.7.0-1+deb10u3 2.7.0-2+deb11u2 2.9.6-1 2.10.0-1
Gerbv	=2.7.0
Gerbv	=2.7.1-forked_dev
Fedoraproject Fedora	=36
Debian Debian Linux	=11.0

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Reference Links

Frequently Asked Questions

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.
How do I fix CVE-2021-40401?
To fix CVE-2021-40401, upgrade to versions 2.7.1-forked_dev or later for Gerbv.
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.
Can CVE-2021-40401 be exploited remotely?
Yes, CVE-2021-40401 can be exploited remotely if an attacker provides a malicious Gerber file.
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.

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agent/event
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collector/nvd-index
agent/software-canonical-lookup-request
package-manager/debian
vendor/gerbv project
canonical/gerbv
version/gerbv/2.7.0
version/gerbv/2.7.1-forked_dev
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canonical/debian debian linux
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Frequently Asked Questions

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.
How do I fix CVE-2021-40401?
To fix CVE-2021-40401, upgrade to versions 2.7.1-forked_dev or later for Gerbv.
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.
Can CVE-2021-40401 be exploited remotely?
Yes, CVE-2021-40401 can be exploited remotely if an attacker provides a malicious Gerber file.
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.