Bug 1581485 – CVE-2017-18272 ImageMagick: use-after-free in ReadOneMNGImage function in coders/png.c

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Bug 1581485 - (CVE-2017-18272) CVE-2017-18272 ImageMagick: use-after-free in ReadOneMNGImage function in coders/png.c

Summary:	CVE-2017-18272 ImageMagick: use-after-free in ReadOneMNGImage function in cod...

Status:	NEW

Aliases:	CVE-2017-18272

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=20171225,reported=2...
Keywords:	Security

Depends On:	1581487 1581490 1585901
Blocks:	1581491
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Reported:	2018-05-22 18:44 EDT by Laura Pardo
Modified:	2018-06-05 00:16 EDT (History)
CC List:	3 users (show)

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Description Laura Pardo 2018-05-22 18:44:20 EDT

A flaw was found in ImageMagick 7.0.7-16 Q16 x86_64 2017-12-25, there is a use-after-free in ReadOneMNGImage in coders/png.c, which allows attackers to cause a denial of service via a crafted MNG image file that is mishandled in an MngInfoDiscardObject call.


References:
https://github.com/ImageMagick/ImageMagick/issues/918

Patch:
https://github.com/ImageMagick/ImageMagick/commit/93d029b70ac766ce0b5d7261a2dd334535f48038

Comment 1 Laura Pardo 2018-05-22 18:46:14 EDT

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1581487]

Comment 3 Pedro Yóssis Silva Barbosa 2018-06-05 00:16:11 EDT

The ReadOneMNGImage function is included in recent versions of ImageMagick only.

Comment 4 Pedro Yóssis Silva Barbosa 2018-06-05 00:16:19 EDT

Statement:

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

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