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CVE-2018-7443

Published: 23 February 2018

The ReadTIFFImage function in coders/tiff.c in ImageMagick 7.0.7-23 Q16 does not properly validate the amount of image data in a file, which allows remote attackers to cause a denial of service (memory allocation failure in the AcquireMagickMemory function in MagickCore/memory.c).

Notes

AuthorNote
mdeslaur
CVE-2018-7443.patch in wheezy

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
imagemagick
Launchpad, Ubuntu, Debian
upstream
Released (8:6.9.9.39+dfsg-1)
xenial
Released (8:6.8.9.9-7ubuntu5.11)
artful
Released (8:6.9.7.4+dfsg-16ubuntu2.2)
bionic
Released (8:6.9.7.4+dfsg-16ubuntu6.2)
trusty
Released (8:6.7.7.10-6ubuntu3.11)
Patches:
upstream: https://github.com/ImageMagick/ImageMagick/commit/1f7c6b153882896e7a569a6e8a362ce2a11a8b1f

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