CVE-2021-40391

Published: 19 November 2021

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.

Priority

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package	Release	Status
gerbv Launchpad, Ubuntu, Debian	bionic	Released (2.6.1-3ubuntu0.1~esm1) Available with Ubuntu Pro
	focal	Released (2.7.0-1ubuntu0.1)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Released (2.8.2-1ubuntu0.1~esm1) Available with Ubuntu Pro
	kinetic	Not vulnerable (2.7.1)
	lunar	Not vulnerable (2.7.1)
	trusty	Ignored (end of standard support)
	upstream	Not vulnerable (2.7.1)
	xenial	Released (2.6.0-1ubuntu0.16.04.1~esm1) Available with Ubuntu Pro

Severity score breakdown

Parameter	Value
Base score	9.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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