Re: imagemagick: heap-based buffer overflow in IsPixelGray (pixel-accessor.h)

[<cve-assign () mitre org>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

> https://blogs.gentoo.org/ago/2016/11/19/imagemagick-heap-based-buffer-overflow-in-ispixelgray-pixel-accessor-h

> ImageMagick-7.0.3-6/./MagickCore/pixel-accessor.h:507:30
> imagemagick-7.0.3.6/work/ImageMagick-7.0.3-6/MagickCore/attribute.c:677

> AddressSanitizer: heap-buffer-overflow
> READ of size 4

> https://github.com/ImageMagick/ImageMagick/commit/ce98a7acbcfca7f0a178f4b1e7b957e419e0cc99
>
> coders/sgi.c

Use CVE-2016-9556 for this buffer over-read.

- -- 
CVE Assignment Team
M/S M300, 202 Burlington Road, Bedford, MA 01730 USA
[ A PGP key is available for encrypted communications at
  http://cve.mitre.org/cve/request_id.html ]
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1

iQIcBAEBCAAGBQJYNN5eAAoJEHb/MwWLVhi2c/EP/iCKNHI2pUBD95pymlj+Fkt2
JJOJzfWG2KSFsFT0jjfIfEg0DCyD+0gjlUe/QEboA57lKMHx1Bu/xKvyGrpoaI86
T3utbgSUF3ZwYaNGySIMpVG96Fdtp8dfJWEMSBSw3deOVCjAFHqExRbOiIQwkaDD
rvS2SzFNa3H/tmhPyrTiTUwmjV+pnG81YvwKJhkxapLyPbROBuI0QuGmm7hv7kzF
ADJI3WVzW3d2N5xU+HFg5sQgmH0dwybwWD/KkzpYJ1daTq53mdOaOW2c/qjhWbk7
wukuNqT8PhNxLLpNRMaZCNKIHdBD+RCh9Oi/zQwXHpSkJ7EgfW/LRCx1OIuXrGBD
gWMbm6KqI13DvbV6ct9elpr54/dZ8zklNrar++PsDRksmwFLiz1mBbzdAPJiTVKT
gNEjqSkM1wqPlFQO/pWAwJU0Ja7bLQg5XUE5gfrl1pFNMqBJ54IzdJUnKXNw64lc
u72Aa3tZ+XKN902zpbqaVb+9PHqL/FFVYCfd64l0CRkEToPP9OIg10sCL9VEVeEw
eyDDYR8jIEVu3ilvm/ieQsb5ZVkhPvkWlGwhaJRzG89U9D5j9S4qrOIk5CXPnJ82
Z8bXCzxAX7ebnRstDbz5lOJ1Lb6ahvmboHuxs4VoEryN+9fdmWCKVYTVRNRi8oAd
ER7izj3MLcjre+i4Oifq
=irqB
-----END PGP SIGNATURE-----