Bug 1543272 (CVE-2018-6799)

Summary:	CVE-2018-6799 GraphicsMagick: Heap overwrite in magick/pixel_cache.c:AcquireCacheNexus() can lead to denial of service
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	andreas, jhorak, rdieter
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	GraphicsMagick 1.3.28	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-07-14 13:27:48 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1543273, 1543274, 1543275
Bug Blocks:	1856613

Description Sam Fowler 2018-02-08 06:27:54 UTC

The AcquireCacheNexus function in magick/pixel_cache.c in GraphicsMagick before 1.3.28 can allow an attacker to cause a denial of service (heap overwrite) or possibly have unspecified other impact via a crafted image file, because a pixel staging area is not used.


Upstream Fix:

http://hg.graphicsmagick.org/hg/GraphicsMagick/rev/b41e2efce6d3

Comment 1 Sam Fowler 2018-02-08 06:28:15 UTC

Created GraphicsMagick tracking bugs for this issue:

Affects: epel-all [bug 1543273]
Affects: fedora-all [bug 1543274]

Comment 3 Product Security DevOps Team 2020-07-14 13:27:48 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2018-6799