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CVE-2020-27753

Published: 8 December 2020

There are several memory leaks in the MIFF coder in /coders/miff.c due to improper image depth values, which can be triggered by a specially crafted input file. These leaks could potentially lead to an impact to application availability or cause a denial of service. It was originally reported that the issues were in `AcquireMagickMemory()` because that is where LeakSanitizer detected the leaks, but the patch resolves issues in the MIFF coder, which incorrectly handles data being passed to `AcquireMagickMemory()`. This flaw affects ImageMagick versions prior to 7.0.9-0.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
imagemagick
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
bionic
Released (8:6.9.7.4+dfsg-16ubuntu6.11)
focal
Released (8:6.9.10.23+dfsg-2.1ubuntu11.4)
groovy
Released (8:6.9.10.23+dfsg-2.1ubuntu13.3)
kinetic Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
lunar Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
impish Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
jammy Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
trusty Needed

upstream
Released (8:6.9.11.24+dfsg-1)
xenial
Released (8:6.8.9.9-7ubuntu5.16+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
mantic Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
Patches:
upstream: https://github.com/ImageMagick/ImageMagick6/commit/6f5d3d2cd94eb8361e07546c4bf72cb60681b984

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