Bug 1610620 (CVE-2018-14551)

Summary:	CVE-2018-14551 ImageMagick: Uninitialized variable in coders/mat.c:ReadMATImageV4() allows for memory corruption
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
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, sfowler
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	ImageMagick 6.9.10-8, ImageMagick 7.0.8-8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:34:40 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:	1610622, 1610623
Bug Blocks:	1610624

Description Sam Fowler 2018-08-01 04:24:51 UTC

The ReadMATImageV4 function in coders/mat.c in ImageMagick before versions 6.9.10-8 and 7.0.8-8 uses an uninitialized variable, leading to memory corruption.


Upstream Issue:

https://github.com/ImageMagick/ImageMagick/issues/1221


Upstream Patches:

https://github.com/ImageMagick/ImageMagick6/commit/db7a4be592328af06d776ce3bab24b8c6de5be20
https://github.com/ImageMagick/ImageMagick/commit/389ecc365a7c61404ba078a72c3fa5a3cf1b4101

Comment 1 Sam Fowler 2018-08-01 04:25:13 UTC

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1610622]

Comment 3 Stefan Cornelius 2018-08-02 11:01:18 UTC

RHEL does not have this function. Upstream has it since https://github.com/ImageMagick/ImageMagick6/commit/e806bc5559474b19114faf235266dbb8f6b206ee

Comment 4 Stefan Cornelius 2018-08-02 11:01:28 UTC

Statement:

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