Bug 1474851 (CVE-2017-11522)

Summary:	CVE-2017-11522 ImageMagick: Null-Pointer dereference in WriteOnePNGImage function in coders/png.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	abhgupta, ethan, jhorak, kseifried, nmurray, pahan, tiwillia
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	7.0.6-3	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2017-07-25 13:59:42 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:

Description Pedro Sampaio 2017-07-25 13:55:35 UTC

The WriteOnePNGImage function in coders/png.c in ImageMagick in 7.x through 7.0.6-1 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file. 

Upstream bug:

https://github.com/ImageMagick/ImageMagick/issues/586

Upstream patch:

https://github.com/ImageMagick/ImageMagick/commit/816ecab6c532ae086ff4186b3eaf4aa7092d536f

References:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=869209