CVE-2019-11007 Information

Description

In GraphicsMagick 1.4 snapshot-20190322 Q8 there is a heap-based buffer over-read in the ReadMNGImage function of coders/png.c which allows attackers to cause a denial of service or information disclosure via an image colormap.

CVSS Vector

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

Reference

http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/40fc71472b98 http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/86a9295e7c83 http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00093.html http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00107.html http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00006.html http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00010.html https://lists.debian.org/debian-lts-announce/2019/04/msg00015.html https://sourceforge.net/p/graphicsmagick/bugs/596/ https://usn.ubuntu.com/4207-1/ https://www.debian.org/security/2020/dsa-4640

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

8.1