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CVE-2018-20189

Published: 17 December 2018

In GraphicsMagick 1.3.31, the ReadDIBImage function of coders/dib.c has a vulnerability allowing a crash and denial of service via a dib file that is crafted to appear with direct pixel values and also colormapping (which is not available beyond 8-bits/sample), and therefore lacks indexes initialization.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
graphicsmagick
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(1.4~hg15873-1)
xenial
Released (1.3.23-1ubuntu0.6+esm2)
Available with Ubuntu Pro
bionic
Released (1.3.28-2ubuntu0.1)
cosmic Ignored
(end of life)
disco Not vulnerable
(1.4~hg15873-1)
eoan Not vulnerable
(1.4~hg15873-1)
focal Not vulnerable
(1.4~hg15873-1)
groovy Not vulnerable
(1.4~hg15873-1)
impish Not vulnerable
(1.4~hg15873-1)
jammy Not vulnerable
(1.4~hg15873-1)
kinetic Not vulnerable
(1.4~hg15873-1)
lunar Not vulnerable
(1.4~hg15873-1)
trusty
Released (1.3.18-1ubuntu3.1+esm8)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
upstream
Released (1.3.32)
Patches:
upstream: http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/648e2b406589

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H