Bug 1581485 (CVE-2017-18272)

Summary:	CVE-2017-18272 ImageMagick: use-after-free in ReadOneMNGImage function in coders/png.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
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
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:	2019-06-10 10:26:18 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:	1581487, 1581490, 1585901
Bug Blocks:	1581491

Description Laura Pardo 2018-05-22 22:44:20 UTC

A flaw was found in ImageMagick 7.0.7-16 Q16 x86_64 2017-12-25, there is a use-after-free in ReadOneMNGImage in coders/png.c, which allows attackers to cause a denial of service via a crafted MNG image file that is mishandled in an MngInfoDiscardObject call.


References:
https://github.com/ImageMagick/ImageMagick/issues/918

Patch:
https://github.com/ImageMagick/ImageMagick/commit/93d029b70ac766ce0b5d7261a2dd334535f48038

Comment 1 Laura Pardo 2018-05-22 22:46:14 UTC

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1581487]

Comment 3 Pedro Yóssis Silva Barbosa 2018-06-05 04:16:11 UTC

The ReadOneMNGImage function is included in recent versions of ImageMagick only.

Comment 4 Pedro Yóssis Silva Barbosa 2018-06-05 04:16:19 UTC

Statement:

This issue did not affect the versions of ImageMagick as shipped with Red Hat Enterprise Linux 5, 6, and 7.