CVE-2018-16749 Information

Description

In ImageMagick 7.0.7-29 and earlier a missing NULL check in ReadOneJNGImage in coders/png.c allows an attacker to cause a denial of service (WriteBlob assertion failure and application exit) via a crafted 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/1119 https://github.com/ImageMagick/ImageMagick6/commit/1007b98f8795ad4bea6bc5f68a32d83e982fdae4 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