Vulnerability CVE-2018-16749
Published: 2018-09-09

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.

Type:

CWE-617

 (Reachable Assertion)

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Imagemagick -> Imagemagick 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

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