CVE-2021-20243

Published: 9 March 2021

A flaw was found in ImageMagick in MagickCore/resize.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability.

Notes

Author	Note
mdeslaur	same commit as CVE-2021-20241

Priority

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package	Release	Status
imagemagick Launchpad, Ubuntu, Debian	bionic	Released (8:6.9.7.4+dfsg-16ubuntu6.14)
	focal	Released (8:6.9.10.23+dfsg-2.1ubuntu11.9)
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Released (8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm1) Available with Ubuntu Pro
	kinetic	Released (8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1)
	lunar	Released (8:6.9.11.60+dfsg-1.3ubuntu1)
	mantic	Released (8:6.9.11.60+dfsg-1.3ubuntu1)
	noble	Released (8:6.9.11.60+dfsg-1.3ubuntu1)
	trusty	Released (8:6.7.7.10-6ubuntu3.13+esm3) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Needs triage
	xenial	Released (8:6.8.9.9-7ubuntu5.16+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	Patches: upstream: https://github.com/ImageMagick/ImageMagick6/commit/53cb91b3e7bf95d0e372cbc745e0055ac6054745

Severity score breakdown

Parameter	Value
Base score	5.5
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

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