out-of-bounds read in MagickCore/memory.c:719

[Moshe Kaplan]

This bug was found while fuzzing ImageMagick with afl-fuzz

Tested on ImageMagick git commit 26ac8585e46188a648abf5fa3a1a7d264d8b3cb9

Command: magick id:000362,sig:06,src:008726,op:havoc,rep:4 /dev/null

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==21178==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xb5400000 at pc 0x80b2652 bp 0xbfd31558 sp 0xbfd31548
READ of size 66048 at 0xb5400000 thread T0
    #0 0x80b2651 in memmove (/usr/local/bin/magick+0x80b2651)
    #1 0x814f6d8 in CopyMagickMemory /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickCore/memory.c:719
    #2 0x86668f6 in RemoveICCProfileFromResourceBlock /home/user/Desktop/FuzzImageMagick-master/ImageMagick/coders/psd.c:2569
    #3 0x86668f6 in WritePSDImage /home/user/Desktop/FuzzImageMagick-master/ImageMagick/coders/psd.c:2779
    #4 0x89633b8 in WriteImage /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickCore/constitute.c:1091
    #5 0x8966d9c in WriteImages /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickCore/constitute.c:1309
    #6 0x9230a7f in CLINoImageOperator /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickWand/operation.c:4730
    #7 0x9238891 in CLIOption /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickWand/operation.c:5190
    #8 0x8fc3893 in ProcessCommandOptions /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickWand/magick-cli.c:526
    #9 0x8fc5d15 in MagickImageCommand /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickWand/magick-cli.c:786
    #10 0x8fca1f9 in MagickCommandGenesis /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickWand/mogrify.c:172
    #11 0x80ddf3d in MagickMain /home/user/Desktop/FuzzImageMagick-master/ImageMagick/utilities/magick.c:74
    #12 0x80ddf3d in main /home/user/Desktop/FuzzImageMagick-master/ImageMagick/utilities/magick.c:85
    #13 0xb74dca82 in __libc_start_main /build/eglibc-617sU_/eglibc-2.19/csu/libc-start.c:287
    #14 0x80ddd64 in _start (/usr/local/bin/magick+0x80ddd64)

0xb5400000 is located 256 bytes to the left of 4172-byte region [0xb5400100,0xb540114c)
allocated by thread T0 here:
    #0 0x80c6991 in malloc (/usr/local/bin/magick+0x80c6991)
    #1 0x814e958 in AcquireMagickMemory /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickCore/memory.c:476
    #2 0x8fc4b55 in MagickImageCommand /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickWand/magick-cli.c:693
    #3 0x8fca1f9 in MagickCommandGenesis /home/user/Desktop/FuzzImageMagick-master/ImageMagick/MagickWand/mogrify.c:172

SUMMARY: AddressSanitizer: heap-buffer-overflow ??:0 memmove
Shadow bytes around the buggy address:
  0x36a7ffb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x36a7ffc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x36a7ffd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x36a7ffe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x36a7fff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x36a80000:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x36a80010: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x36a80020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x36a80030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x36a80040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x36a80050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable: 00
  Partially addressable: 01 02 03 04 05 06 07
  Heap left redzone: fa
  Heap right redzone: fb
  Freed heap region: fd
  Stack left redzone: f1
  Stack mid redzone: f2
  Stack right redzone: f3
  Stack partial redzone: f4
  Stack after return: f5
  Stack use after scope: f8
  Global redzone: f9
  Global init order: f6
  Poisoned by user: f7
  ASan internal: fe
==21178==ABORTING

[Moshe Kaplan (moshekaplan)]

input file to trigger crash

[Moshe Kaplan (moshekaplan)]

https://github.com/ImageMagick/ImageMagick/issues/144