CVE-2017-17782 Information

Description

In GraphicsMagick 1.3.27a there is a heap-based buffer over-read in ReadOneJNGImage in coders/png.c related to oFFs chunk allocation.

CVSS Vector

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

Reference

http://hg.graphicsmagick.org/hg/GraphicsMagick?cmd=changeset;node=8e3d2264109c https://lists.debian.org/debian-lts-announce/2018/01/msg00005.html https://lists.debian.org/debian-lts-announce/2018/06/msg00009.html https://sourceforge.net/p/graphicsmagick/bugs/530/ https://usn.ubuntu.com/4248-1/ https://www.debian.org/security/2018/dsa-4321

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8