CVE-2021-40391

Public Exploit

Description

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.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.41%
Vendor Advisory fedoraproject.org
Affected: n/a Gerbv
Published at:
Updated at:

References

Link Tags
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402 third party advisory exploit
https://lists.debian.org/debian-lts-announce/2021/12/msg00003.html third party advisory mailing list
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-40391?
CVE-2021-40391 has been scored as a critical severity vulnerability.
How to fix CVE-2021-40391?
To fix CVE-2021-40391, 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-2021-40391 being actively exploited in the wild?
It is possible that CVE-2021-40391 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-2021-40391?
CVE-2021-40391 affects n/a Gerbv.
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