CVE-2021-40391
First published: Fri 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.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Gerbv | =2.7.0 | |
| Gerbv | =2.7.0-dev | |
| Gerbv | =2.7.0-forked_dev | |
| Debian | =9.0 | |
| Fedora | =36 |
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Reference Links
- https://lists.debian.org/debian-lts-announce/2021/12/msg00003.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/
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.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/weakness
- agent/last-modified-date
- agent/author
- agent/description
- agent/first-publish-date
- agent/event
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/gerbv project
- canonical/gerbv
- version/gerbv/2.7.0
- version/gerbv/2.7.0-dev
- version/gerbv/2.7.0-forked_dev
- vendor/debian
- canonical/debian
- version/debian/9.0
- vendor/fedoraproject
- canonical/fedora
- version/fedora/36