CVE-2021-40391: Critical severity gerbv vulnerability

Published Nov 19, 2021

Updated

An out-of-bounds write vulnerability exists in the drill format T-code tool number functionality of Gerbv 2.7.0, dev (commit b5f1eacd), and the forked version of Gerbv (commit 71493260). A specially-crafted drill file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Affected Software

5 affected components

Gerbv Project Gerbv=2.7.0

Gerbv Project Gerbv=2.7.0-dev

Gerbv Project Gerbv=2.7.0-forked_dev

Debian Debian Linux=9.0

Fedoraproject Fedora=36

Event History

Nov 19, 2021

CVE Published

via MITRE·06:53 PM

Data Sourced

via MITRE·06:53 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What is the severity of CVE-2021-40391?

CVE-2021-40391 has a high severity rating due to its potential to allow code execution through specially-crafted drill files.

How do I fix CVE-2021-40391?

To fix CVE-2021-40391, you should update to the latest version of Gerbv that addresses this vulnerability.

What software is affected by CVE-2021-40391?

CVE-2021-40391 affects Gerbv version 2.7.0, its development version, and forked versions of the same release.

Can CVE-2021-40391 be exploited remotely?

Yes, CVE-2021-40391 can be exploited remotely by an attacker providing a malicious drill file.

What type of vulnerability is CVE-2021-40391 classified as?

CVE-2021-40391 is classified as an out-of-bounds write vulnerability.