Bug 1475470 (CVE-2017-11639)

Summary:	CVE-2017-11639 ImageMagick: heap-based buffer over-read in the WriteCIPImage() function in coders/cip.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	abhgupta, ethan, jhorak, nmurray, pahan, tiwillia
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:18:39 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:	1475471
Bug Blocks:

Description Pedro Sampaio 2017-07-26 18:21:24 UTC

When ImageMagick 7.0.6-1 processes a crafted file in convert, it can lead to a heap-based buffer over-read in the WriteCIPImage() function in coders/cip.c, related to the GetPixelLuma function in MagickCore/pixel-accessor.h.

Upstream bug:

https://github.com/ImageMagick/ImageMagick/issues/588

Upstream patch:

https://github.com/ImageMagick/ImageMagick/commit/d0a4c1ff333d60984a5d6bdfd98774bfdd8a7cba
https://github.com/ImageMagick/ImageMagick/commit/8ec8ca4c61b1199b727cf52e440f3db79a5b0d0a
https://github.com/ImageMagick/ImageMagick/commit/65b7c57502bb2b6d22f607383e87cc3eaed94014

References:

https://bugzilla.novell.com/show_bug.cgi?id=1050635

Comment 1 Pedro Sampaio 2017-07-26 18:21:51 UTC

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1475471]