Bug 1610620 – CVE-2018-14551 ImageMagick: Uninitialized variable in coders/mat.c:ReadMATImageV4() allows for memory corruption

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Bug 1610620 - (CVE-2018-14551) CVE-2018-14551 ImageMagick: Uninitialized variable in coders/mat.c:ReadMATImageV4() allows for memory corruption

Summary:	CVE-2018-14551 ImageMagick: Uninitialized variable in coders/mat.c:ReadMATIma...

Status:	NEW

Aliases:	CVE-2018-14551

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

Priority	low Severity low
Target Milestone:	---
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Assigned To:	Red Hat Product Security
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URL:
Whiteboard:	impact=low,public=20180720,reported=2...
Keywords:	Security

Depends On:	1610622 1610623
Blocks:	1610624
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Reported:	2018-08-01 00:24 EDT by Sam Fowler
Modified:	2018-08-02 07:01 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:	ImageMagick 6.9.10-8, ImageMagick 7.0.8-8
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RHEL 7.3 requirements from Atomic Host:
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Description Sam Fowler 2018-08-01 00:24:51 EDT

The ReadMATImageV4 function in coders/mat.c in ImageMagick before versions 6.9.10-8 and 7.0.8-8 uses an uninitialized variable, leading to memory corruption.


Upstream Issue:

https://github.com/ImageMagick/ImageMagick/issues/1221


Upstream Patches:

https://github.com/ImageMagick/ImageMagick6/commit/db7a4be592328af06d776ce3bab24b8c6de5be20
https://github.com/ImageMagick/ImageMagick/commit/389ecc365a7c61404ba078a72c3fa5a3cf1b4101

Comment 1 Sam Fowler 2018-08-01 00:25:13 EDT

Created ImageMagick tracking bugs for this issue:

Affects: fedora-all [bug 1610622]

Comment 3 Stefan Cornelius 2018-08-02 07:01:18 EDT

RHEL does not have this function. Upstream has it since https://github.com/ImageMagick/ImageMagick6/commit/e806bc5559474b19114faf235266dbb8f6b206ee

Comment 4 Stefan Cornelius 2018-08-02 07:01:28 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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