[Bug 1556273] Re: out-of-bounds write in MagickCore/memory.c:723:10

[Moshe Kaplan]

input file to trigger crash

** Attachment added: "id:000206,sig:06,src:005821,op:havoc,rep:4"
   https://bugs.launchpad.net/bugs/1556273/+attachment/4596250/+files/id%3A000206%2Csig%3A06%2Csrc%3A005821%2Cop%3Ahavoc%2Crep%3A4

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Title:
  out-of-bounds write in MagickCore/memory.c:723:10

Status in imagemagick package in Ubuntu:
  New

Bug description:
  This bug was found while fuzzing ImageMagick with afl-fuzz

  Tested on ImageMagick git commit
  712467450377a5c8642d6f4aead1f11d803c78a9

  
  Command: magick id:000206,sig:06,src:005821,op:havoc,rep:4 /dev/null

  =================================================================
  ==7820==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xb531ca5f at pc 0x818c063 bp 0xbfcfbfa8 sp 0xbfcfbfa0
  WRITE of size 65700 at 0xb531ca5f thread T0
      #0 0x818c062 in CopyMagickMemory /home/user/Desktop/ImageMagick/MagickCore/memory.c:723:10
      #1 0x87597e6 in RemoveICCProfileFromResourceBlock /home/user/Desktop/ImageMagick/coders/psd.c:2569
      #2 0x87597e6 in WritePSDImage /home/user/Desktop/ImageMagick/coders/psd.c:2779
      #3 0x8a8bd28 in WriteImage /home/user/Desktop/ImageMagick/MagickCore/constitute.c:1091
      #4 0x8a8f70c in WriteImages /home/user/Desktop/ImageMagick/MagickCore/constitute.c:1309
      #5 0x937560f in CLINoImageOperator /home/user/Desktop/ImageMagick/MagickWand/operation.c:4730
      #6 0x937d421 in CLIOption /home/user/Desktop/ImageMagick/MagickWand/operation.c:5190
      #7 0x9108443 in ProcessCommandOptions /home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:526
      #8 0x910a8c5 in MagickImageCommand /home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:786
      #9 0x910eda9 in MagickCommandGenesis /home/user/Desktop/ImageMagick/MagickWand/mogrify.c:172
      #10 0x80ddeed in MagickMain /home/user/Desktop/ImageMagick/utilities/magick.c:74
      #11 0x80ddeed in main /home/user/Desktop/ImageMagick/utilities/magick.c:85
      #12 0xb7495a82 in __libc_start_main /build/buildd/eglibc-2.19/csu/libc-start.c:287
      #13 0x80ddd14 in _start (/usr/local/bin/magick+0x80ddd14)

  AddressSanitizer can not describe address in more detail (wild memory access suspected).
  SUMMARY: AddressSanitizer: heap-buffer-overflow /home/user/Desktop/ImageMagick/MagickCore/memory.c:723 CopyMagickMemory
  Shadow bytes around the buggy address:
    0x36a638f0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x36a63900: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x36a63910: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x36a63920: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x36a63930: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  =>0x36a63940: fa fa fa fa fa fa fa fa fa fa fa[fa]fa fa fa fa
    0x36a63950: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x36a63960: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x36a63970: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x36a63980: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    0x36a63990: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  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
  ==7820==ABORTING

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