Bug 1475470 – CVE-2017-11639 ImageMagick: heap-based buffer over-read in the WriteCIPImage() function in coders/cip.c

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Bug 1475470 - (CVE-2017-11639) CVE-2017-11639 ImageMagick: heap-based buffer over-read in the WriteCIPImage() function in coders/cip.c

Summary:	CVE-2017-11639 ImageMagick: heap-based buffer over-read in the WriteCIPImage(...

Status:	NEW

Aliases:	CVE-2017-11639

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20170726,reported=2...
Keywords:	Security

Depends On:	1475471
Blocks:
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Reported:	2017-07-26 14:21 EDT by Pedro Sampaio
Modified:	2018-06-29 18:25 EDT (History)
CC List:	6 users (show)

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Description Pedro Sampaio 2017-07-26 14:21:24 EDT

When ImageMagick 7.0.6-1 processes a crafted file in convert, it can lead to a heap-based buffer over-read in the WriteCIPImage() function in coders/cip.c, related to the GetPixelLuma function in MagickCore/pixel-accessor.h.

Upstream bug:

https://github.com/ImageMagick/ImageMagick/issues/588

Upstream patch:

https://github.com/ImageMagick/ImageMagick/commit/d0a4c1ff333d60984a5d6bdfd98774bfdd8a7cba
https://github.com/ImageMagick/ImageMagick/commit/8ec8ca4c61b1199b727cf52e440f3db79a5b0d0a
https://github.com/ImageMagick/ImageMagick/commit/65b7c57502bb2b6d22f607383e87cc3eaed94014

References:

https://bugzilla.novell.com/show_bug.cgi?id=1050635

Comment 1 Pedro Sampaio 2017-07-26 14:21:51 EDT

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1475471]

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