CVE-2018-16749

medium

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.

References

https://github.com/ImageMagick/ImageMagick6/commit/1007b98f8795ad4bea6bc5f68a32d83e982fdae4

https://github.com/ImageMagick/ImageMagick/issues/1119

https://lists.debian.org/debian-lts-announce/2018/10/msg00002.html

https://usn.ubuntu.com/3785-1/

https://lists.debian.org/debian-lts-announce/2020/09/msg00007.html

Details

Source: MITRE

Published: 2018-09-09

Updated: 2021-04-28

Type: CWE-476

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 2.8

Severity: MEDIUM