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CVE-2018-16643

Published: 6 September 2018

The functions ReadDCMImage in coders/dcm.c, ReadPWPImage in coders/pwp.c, ReadCALSImage in coders/cals.c, and ReadPICTImage in coders/pict.c in ImageMagick 7.0.8-4 do not check the return value of the fputc function, which allows remote attackers to cause a denial of service via a crafted image file.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
imagemagick
Launchpad, Ubuntu, Debian
upstream
Released (8:6.9.10.8+dfsg-1)
xenial
Released (8:6.8.9.9-7ubuntu5.13)
bionic
Released (8:6.9.7.4+dfsg-16ubuntu6.4)
trusty
Released (8:6.7.7.10-6ubuntu3.13)
Patches:
upstream: https://github.com/ImageMagick/ImageMagick/commit/6b6bff054d569a77973f2140c0e86366e6168a6c
upstream: https://github.com/ImageMagick/ImageMagick6/commit/11d9dac3d991c62289d1ef7a097670166480e76c

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