CVE-2020-27760

MEDIUM

Description

In `GammaImage()` of /MagickCore/enhance.c, depending on the `gamma` value, it's possible to trigger a divide-by-zero condition when a crafted input file is processed by ImageMagick. This could lead to an impact to application availability. The patch uses the `PerceptibleReciprocal()` to prevent the divide-by-zero from occurring. This flaw affects ImageMagick versions prior to ImageMagick 7.0.8-68.

References

https://bugzilla.redhat.com/show_bug.cgi?id=1894239

https://lists.debian.org/debian-lts-announce/2021/01/msg00010.html

Details

Source: MITRE

Published: 2020-12-03

Updated: 2021-02-25

Type: CWE-369

Risk Information

CVSS v2.0

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3.0

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Tenable Plugins

View all (6 total)

IDNameProductFamilySeverity
145394openSUSE Security Update : ImageMagick (openSUSE-2021-148)NessusSuSE Local Security Checks
medium
145363SUSE SLES12 Security Update : ImageMagick (SUSE-SU-2021:0199-1)NessusSuSE Local Security Checks
medium
145361openSUSE Security Update : ImageMagick (openSUSE-2021-136)NessusSuSE Local Security Checks
medium
145198SUSE SLED15 / SLES15 Security Update : ImageMagick (SUSE-SU-2021:0153-1)NessusSuSE Local Security Checks
medium
145181SUSE SLED15 / SLES15 Security Update : ImageMagick (SUSE-SU-2021:0156-1)NessusSuSE Local Security Checks
medium
144925Debian DLA-2523-1 : imagemagick security updateNessusDebian Local Security Checks
medium