Bug 1624957 (CVE-2018-16329)

Summary:	CVE-2018-16329 ImageMagick: NULL pointer dereference in GetMagickProperty function in MagickCore/property.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	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:	2021-10-25 22:17:28 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:	1624958, 1630392
Bug Blocks:	1624959

Description Laura Pardo 2018-09-03 17:04:14 UTC

A flaw was found in ImageMagick before 7.0.8-8, a NULL pointer dereference exists in the GetMagickProperty function in MagickCore/property.c.


References:
https://github.com/ImageMagick/ImageMagick/issues/1225

Comment 1 Laura Pardo 2018-09-03 17:04:35 UTC

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1624958]

Comment 3 Riccardo Schirone 2018-09-18 13:47:52 UTC

Upstream patch:
https://github.com/ImageMagick/ImageMagick/commit/2c75f301d9ac84f91071393b02d8c88c8341c91c

Comment 4 Riccardo Schirone 2018-09-18 13:50:59 UTC

GetMagickProperty function in MagickCore/property.c only checks whether `image` or `image_info` are not NULL, but when later it uses the `image` pointer it doesn't check if it is actually accessible or not.

Comment 6 Riccardo Schirone 2018-09-18 13:55:33 UTC

Statement:

This issue did not affect the versions of ImageMagick as shipped with Red Hat Enterprise Linux 5 as they did not include the vulnerable code.

Comment 8 Riccardo Schirone 2020-04-15 10:30:47 UTC

Upstream patch ImageMagick6:
https://github.com/ImageMagick/ImageMagick6/commit/5bf7ff59c8ada957d6a681a0a2cc29f3813ad4bc