Bug 1513940 (CVE-2017-16546)

Summary:	CVE-2017-16546 ImageMagick: Invalid memory allocation in the ReadWPGImage function
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	fedora, jhorak, klember, mike, pahan
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Last Closed:	2017-11-16 10:30:35 UTC	Type:	---
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Documentation:	---	CRM:
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
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Description Andrej Nemec 2017-11-16 10:29:28 UTC

The ReadWPGImage function in coders/wpg.c in ImageMagick 7.0.7-9 does not properly validate the colormap index in a WPG palette, which allows attackers to cause a denial of service (use of uninitialized data or invalid memory allocation).

Upstream issue:

https://github.com/ImageMagick/ImageMagick/issues/851

Upstream patch:

https://github.com/ImageMagick/ImageMagick/commit/e04cf3e9524f50ca336253513d977224e083b816

Comment 1 Andrej Nemec 2017-11-16 10:30:41 UTC

Statement:

Red Hat Product Security has rated this issue as having Low security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.