CVE-2018-16643 Information

Description

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.

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/commit/6b6bff054d569a77973f2140c0e86366e6168a6c https://github.com/ImageMagick/ImageMagick/issues/1199 https://lists.debian.org/debian-lts-announce/2018/10/msg00002.html https://lists.debian.org/debian-lts-announce/2020/09/msg00007.html https://usn.ubuntu.com/3785-1/

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