Bug 1793177 (CVE-2019-19948)

Summary:	CVE-2019-19948 ImageMagick: heap-based buffer overflow in WriteSGIImage in coders/sgi.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:	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 7.0.8-43, ImageMagick 6.9.10-43	Doc Type:	If docs needed, set a value
Doc Text:	A heap-based buffer overflow flaw was discovered in ImageMagick when writing SGI images with improper columns and rows properties. An attacker may trick a victim user into downloading a malicious image file and running it through ImageMagick, possibly executing code onto the victim user's system.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-03-31 22:35:59 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:	1793178, 1793179, 1798905
Bug Blocks:	1793180

Description Guilherme de Almeida Suckevicz 2020-01-20 20:56:58 UTC

In ImageMagick 7.0.8-43 Q16, there is a heap-based buffer overflow in the function WriteSGIImage of coders/sgi.c.

Reference:
https://github.com/ImageMagick/ImageMagick/issues/1562

Comment 1 Guilherme de Almeida Suckevicz 2020-01-20 20:57:15 UTC

Created ImageMagick tracking bugs for this issue:

Affects: epel-8 [bug 1793178]
Affects: fedora-all [bug 1793179]

Comment 2 Riccardo Schirone 2020-02-05 16:17:13 UTC

Upstream fix:
https://github.com/ImageMagick/ImageMagick6/commit/9e7db22f8c374301db3f968757f0d08070fd4e54

Comment 5 Tomas Hoger 2020-03-25 18:55:35 UTC

ImageMagick 7 commit:

https://github.com/ImageMagick/ImageMagick/commit/6ae32a9038e360b3491969d5d03d490884f02b4c

Comment 6 errata-xmlrpc 2020-03-31 19:33:10 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 22:35:59 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-2019-19948