[Bug 1537418] Re: out-of-bounds read in coders/psd.c:524

[Launchpad Bug Tracker]

This bug was fixed in the package imagemagick - 8:6.9.6.6+dfsg-1ubuntu3

---------------
imagemagick (8:6.9.6.6+dfsg-1ubuntu3) zesty; urgency=medium

  * debian/patches/0020-Revert-GradientImage-change.patch: Revert patch
    per https://github.com/ImageMagick/ImageMagick/issues/316.  Thanks
    to Cristy <urban-warrior at imagemagick.org>.  Closes LP: #1645406.

 -- Nishanth Aravamudan <nish.aravamudan at canonical.com>  Tue, 06 Dec
2016 17:26:36 +0100

** Changed in: imagemagick (Ubuntu)
       Status: Confirmed => Fix Released

** Bug watch added: github.com/ImageMagick/ImageMagick/issues #316
   https://github.com/ImageMagick/ImageMagick/issues/316

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Title:
  out-of-bounds read in coders/psd.c:524

Status in imagemagick package in Ubuntu:
  Fix Released

Bug description:
  =================================================================
  ==14781==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xb4804860 at pc 0x87748af bp 0xbfc4b818 sp 0xbfc4b810
  READ of size 1 at 0xb4804860 thread T0
      #0 0x87748ae in DecodePSDPixels /home/user/Desktop/ImageMagick/coders/psd.c:524
      #1 0x87748ae in ReadPSDChannelRLE /home/user/Desktop/ImageMagick/coders/psd.c:1024
      #2 0x875d46b in ReadPSDMergedImage /home/user/Desktop/ImageMagick/coders/psd.c:1733
      #3 0x875d46b in ReadPSDImage /home/user/Desktop/ImageMagick/coders/psd.c:2004
      #4 0x8a9438a in ReadImage /home/user/Desktop/ImageMagick/MagickCore/constitute.c:494
      #5 0x8a9c1ff in ReadImages /home/user/Desktop/ImageMagick/MagickCore/constitute.c:844
      #6 0x9371649 in CLINoImageOperator /home/user/Desktop/ImageMagick/MagickWand/operation.c:4663
      #7 0x9379b31 in CLIOption /home/user/Desktop/ImageMagick/MagickWand/operation.c:5157
      #8 0x910713d in ProcessCommandOptions /home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:474
      #9 0x910a4b5 in MagickImageCommand /home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:786
      #10 0x910e999 in MagickCommandGenesis /home/user/Desktop/ImageMagick/MagickWand/mogrify.c:172
      #11 0x80de12d in MagickMain /home/user/Desktop/ImageMagick/utilities/magick.c:74
      #12 0x80de12d in main /home/user/Desktop/ImageMagick/utilities/magick.c:85
      #13 0xb7512a82 in __libc_start_main /build/buildd/eglibc-2.19/csu/libc-start.c:287
      #14 0x80ddf54 in _start (/usr/local/bin/magick+0x80ddf54)

  0xb4804860 is located 0 bytes to the right of 64-byte region [0xb4804820,0xb4804860)
  allocated by thread T0 here:
      #0 0x80c6b81 in malloc (/usr/local/bin/magick+0x80c6b81)
      #1 0x81932f9 in AcquireMagickMemory /home/user/Desktop/ImageMagick/MagickCore/memory.c:475
      #2 0x81932f9 in AcquireQuantumMemory /home/user/Desktop/ImageMagick/MagickCore/memory.c:548

  SUMMARY: AddressSanitizer: heap-buffer-overflow /home/user/Desktop/ImageMagick/coders/psd.c:524 DecodePSDPixels
  Shadow bytes around the buggy address:
    0x369008b0: 00 00 00 00 00 00 00 04 fa fa fa fa 00 00 00 00
    0x369008c0: 00 00 00 04 fa fa fa fa 00 00 00 00 00 00 00 04
    0x369008d0: fa fa fa fa 00 00 00 00 00 00 00 04 fa fa fa fa
    0x369008e0: 00 00 00 00 00 00 00 04 fa fa fa fa 00 00 00 00
    0x369008f0: 00 00 00 04 fa fa fa fa 00 00 00 00 00 00 00 04
  =>0x36900900: fa fa fa fa 00 00 00 00 00 00 00 00[fa]fa fa fa
    0x36900910: 00 00 00 00 00 00 00 04 fa fa fa fa 00 00 00 00
    0x36900920: 00 00 00 04 fa fa fa fa 00 00 00 00 00 00 00 04
    0x36900930: fa fa fa fa 00 00 00 00 00 00 00 04 fa fa fa fa
    0x36900940: 00 00 00 00 00 00 00 04 fa fa fa fa 00 00 00 00
    0x36900950: 00 00 00 04 fa fa fa fa 00 00 00 00 00 00 00 04
  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
  ==14781==ABORTING

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