Bug 1475463 (CVE-2017-11640)

Summary:	CVE-2017-11640 ImageMagick: NULL pointer dereference in WritePTIFImage() in coders/tiff.c
Product:	[Other] Security Response	Reporter:	Pedro Sampaio <psampaio>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	abhgupta, ethan, jhorak, nmurray, pahan, tiwillia
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:	2019-06-08 03:18:37 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:	1475464
Bug Blocks:

Description Pedro Sampaio 2017-07-26 18:16:01 UTC

When ImageMagick 7.0.6-1 processes a crafted file in convert, it can
lead to an address access exception in the WritePTIFImage() function in
coders/tiff.c.

Upstream bug:

https://github.com/ImageMagick/ImageMagick/issues/584

Upstream patch:

https://github.com/ImageMagick/ImageMagick/commit/1b811f7e7dad92b2992939f854201370a7d8084a
https://github.com/ImageMagick/ImageMagick/commit/46fe9920da054714d1d9c2c02a595f1fe733373d
https://github.com/ImageMagick/ImageMagick/commit/1fcd0feb93b51b9363176097ee5f360c62687d86

References:

https://bugzilla.novell.com/show_bug.cgi?id=1050632

Comment 1 Pedro Sampaio 2017-07-26 18:16:26 UTC

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1475464]