Bug 1792480 (CVE-2019-19949)

Summary:	CVE-2019-19949 ImageMagick: heap-based buffer over-read in WritePNGImage 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 ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	fedora, jhorak, mike, pahan
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ImageMagick 6.9.10-43, ImageMagick 7.0.8-43	Doc Type:	If docs needed, set a value
Doc Text:	An out-of-bounds read was discovered in ImageMagick when writing PNG images. An attacker may abuse this flaw to trick a victim user into downloading a malicious image file and running it through ImageMagick, causing the application to crash.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-03-31 22:35:58 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:	1792481, 1792482, 1798911
Bug Blocks:	1792483

Description Guilherme de Almeida Suckevicz 2020-01-17 17:20:08 UTC

In ImageMagick 7.0.8-43 Q16, there is a heap-based buffer over-read in the function WritePNGImage of coders/png.c, related to Magick_png_write_raw_profile and LocaleNCompare.

Reference:
https://github.com/ImageMagick/ImageMagick/issues/1561

Comment 1 Guilherme de Almeida Suckevicz 2020-01-17 17:21:24 UTC

Created ImageMagick tracking bugs for this issue:

Affects: epel-8 [bug 1792482]
Affects: fedora-all [bug 1792481]

Comment 2 Riccardo Schirone 2020-02-06 09:44:13 UTC

Upstream fix:
https://github.com/ImageMagick/ImageMagick/commit/d17c047f7bff7c0edbf304470cd2ab9d02fbf617

Comment 5 Tomas Hoger 2020-03-25 18:53:07 UTC

ImageMagick6 commit:

https://github.com/ImageMagick/ImageMagick6/commit/34adc98afd5c7e7fb774d2ebdaea39e831c24dce

Comment 6 errata-xmlrpc 2020-03-31 19:33:06 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:1180 https://access.redhat.com/errata/RHSA-2020:1180

Comment 7 Product Security DevOps Team 2020-03-31 22:35:58 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-2019-19949