Bug 1529170 (CVE-2017-17879)

Summary:	CVE-2017-17879 ImageMagick: Heap-based buffer over-read in ReadOneMNGImage 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 WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jhorak, mike, pahan, yozone
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 03:35:05 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:	1529171
Bug Blocks:

Description Pedro Sampaio 2017-12-26 21:16:03 UTC

In ImageMagick 7.0.7-16 Q16 x86_64 2017-12-21, there is a heap-based buffer over-read in ReadOneMNGImage in coders/png.c, related to length calculation and caused by an off-by-one error.

Upstream bug:

https://github.com/ImageMagick/ImageMagick/issues/906

Upstream patch:

https://github.com/ImageMagick/ImageMagick/commit/e41f18ecccbdd1c38e1382057718e91e8f8d6d80

Comment 1 Pedro Sampaio 2017-12-26 21:16:24 UTC

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1529171]