CVE-2018-11251 Information

Description

In ImageMagick 7.0.7-23 Q16 x86_64 2018-01-24 there is a heap-based buffer over-read in ReadSUNImage in coders/sun.c which allows attackers to cause a denial of service (application crash in SetGrayscaleImage in MagickCore/quantize.c) via a crafted SUN image file.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Reference

https://github.com/ImageMagick/ImageMagick/issues/956 https://lists.debian.org/debian-lts-announce/2018/05/msg00012.html https://lists.debian.org/debian-lts-announce/2018/06/msg00004.html https://usn.ubuntu.com/3681-1/ https://www.debian.org/security/2018/dsa-4245

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

6.5