Bug 1792465 (CVE-2019-19952)

Summary:	CVE-2019-19952 ImageMagick: use-after-free in MngInfoDiscardObject in coders/png.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	fedora, jhorak, mike, pahan
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ImageMagick 7.0.9-7	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-02-06 14:09:41 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:	1792469, 1792470
Bug Blocks:	1792472

Description Guilherme de Almeida Suckevicz 2020-01-17 16:53:05 UTC

In ImageMagick 7.0.9-7 Q16, there is a use-after-free in the function MngInfoDiscardObject of coders/png.c, related to ReadOneMNGImage.

Reference:
https://github.com/ImageMagick/ImageMagick/issues/1791

Comment 1 Guilherme de Almeida Suckevicz 2020-01-17 17:01:51 UTC

Created ImageMagick tracking bugs for this issue:

Affects: epel-8 [bug 1792470]
Affects: fedora-all [bug 1792469]

Comment 2 Riccardo Schirone 2020-02-06 10:01:34 UTC

Upstream fix:
https://github.com/ImageMagick/ImageMagick/commit/916d7bbd2c66a286d379dbd94bc6035c8fab937c

Comment 4 Product Security DevOps Team 2020-02-06 14:09:41 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-2019-19952