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heap-buffer-overflow at MagickCore/threshold.c:328:11 in AdaptiveThresholdImage #1609

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@SuhwanSong

Description

@SuhwanSong

Prerequisites

  • I have written a descriptive issue title
  • I have verified that I am using the latest version of ImageMagick
  • I have searched open and closed issues to ensure it has not already been reported

Description

There's a heap-buffer-overflow at MagickCore/threshold.c:328:11 in AdaptiveThresholdImage.

Steps to Reproduce

run_cmd:
magick -seed 0 -dispose Background "(" magick:netscape -lat 514x0-41 ")" "(" magick:granite -charcoal 3 -level 0%,125,0.328 ")" -combine -print "" tmp

Here's ASAN log.

==22189==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x620000001090 at pc 0x7fd7e5dd4be2 bp 0x7ffd816c3a30 sp 0x7ffd816c3a28
READ of size 4 at 0x620000001090 thread T0
    #0 0x7fd7e5dd4be1 in AdaptiveThresholdImage MagickCore/threshold.c:328:11
    #1 0x7fd7e5386cb6 in CLISimpleOperatorImage MagickWand/operation.c:2571:21
    #2 0x7fd7e537bc78 in CLISimpleOperatorImages MagickWand/operation.c:3685:12
    #3 0x7fd7e53a1315 in CLIOption MagickWand/operation.c:5273:16
    #4 0x7fd7e51e2a99 in ProcessCommandOptions MagickWand/magick-cli.c:477:7
    #5 0x7fd7e51e3d0a in MagickImageCommand MagickWand/magick-cli.c:796:5
    #6 0x7fd7e522dba1 in MagickCommandGenesis MagickWand/mogrify.c:185:14
    #7 0x526f95 in MagickMain utilities/magick.c:149:10
    #8 0x5268e1 in main utilities/magick.c:180:10
    #9 0x7fd7dfca4b96 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21b96)
    #10 0x41b069 in _start (install/bin/magick+0x41b069)

Address 0x620000001090 is a wild pointer.
SUMMARY: AddressSanitizer: heap-buffer-overflow MagickCore/threshold.c:328:11 in AdaptiveThresholdImage

System Configuration

  • ImageMagick version:
    Version: ImageMagick 7.0.8-50 Q16 x86_64 2019-06-21 https://imagemagick.org

  • Environment (Operating system, version and so on):
    Description: Ubuntu 18.04.1 LTS
    Release: 18.04
    Codename: bionic

  • Additional information:
    CC=clang-7 CXX=clang++-7 ./configure --disable-openmp

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