CVE-2021-20244

Publication date 9 March 2021

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.5 · Medium

Score breakdown

A flaw was found in ImageMagick in MagickCore/visual-effects.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.

Read the notes from the security team

Status

Package Ubuntu Release Status
imagemagick 25.04 plucky
Fixed 8:6.9.11.60+dfsg-1.3ubuntu1
24.10 oracular
Fixed 8:6.9.11.60+dfsg-1.3ubuntu1
24.04 LTS noble
Fixed 8:6.9.11.60+dfsg-1.3ubuntu1
23.10 mantic
Fixed 8:6.9.11.60+dfsg-1.3ubuntu1
23.04 lunar
Fixed 8:6.9.11.60+dfsg-1.3ubuntu1
22.10 kinetic
Fixed 8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1
22.04 LTS jammy
Fixed 8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm1
21.10 impish Ignored end of life
21.04 hirsute Ignored end of life
20.10 groovy Ignored end of life
20.04 LTS focal
Fixed 8:6.9.10.23+dfsg-2.1ubuntu11.9
18.04 LTS bionic
Fixed 8:6.9.7.4+dfsg-16ubuntu6.12
16.04 LTS xenial
Fixed 8:6.8.9.9-7ubuntu5.16+esm1
14.04 LTS trusty
Fixed 8:6.7.7.10-6ubuntu3.13+esm1

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Notes

debian

In IM6 the code seems to be in magick/fx.c

rayveldkamp

imagemagick is in universe from focal onwards

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
imagemagick

Severity score breakdown

Parameter Value
Base score 5.5 · Medium
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

Related Ubuntu Security Notices (USN)

    • USN-5158-1
    • ImageMagick vulnerabilities
    • 29 November 2021
    • USN-5736-1
    • ImageMagick vulnerabilities
    • 24 November 2022
    • USN-5736-2
    • ImageMagick vulnerabilities
    • 24 November 2022
    • USN-6200-1
    • ImageMagick vulnerabilities
    • 4 July 2023

Other references