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CVE-2020-27762

Published: 3 December 2020

A flaw was found in ImageMagick in coders/hdr.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of values outside the range of type `unsigned char`. This would most likely lead to an impact to application availability, but could potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to ImageMagick 7.0.8-68.

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

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

trusty Needs triage

upstream
Released (8:6.9.11.24+dfsg-1)
xenial
Released (8:6.8.9.9-7ubuntu5.16+esm2)
Patches:
upstream: https://github.com/ImageMagick/ImageMagick6/commit/3e10f7c3c9f0394dfd6ebd372bc34a172dabc8ff

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