*** This bug is a security vulnerability ***
Public security bug reported:
=================================================================
==20060==ERROR: AddressSanitizer: heap-buffer-overflow on address 0xb5c071f1 at
pc 0x8776e2c bp 0xbfd5ed18 sp 0xbfd5ed10
READ of size 1 at 0xb5c071f1 thread T0
#0 0x8776e2b in PushShortPixel
/home/user/Desktop/ImageMagick/./MagickCore/quantum-private.h:266
#1 0x8776e2b in ReadPSDChannelPixels
/home/user/Desktop/ImageMagick/coders/psd.c:866
#2 0x87752db in ReadPSDChannelRaw
/home/user/Desktop/ImageMagick/coders/psd.c:933
#3 0x875d502 in ReadPSDMergedImage
/home/user/Desktop/ImageMagick/coders/psd.c:1736
#4 0x875d502 in ReadPSDImage
/home/user/Desktop/ImageMagick/coders/psd.c:2004
#5 0x8a9438a in ReadImage
/home/user/Desktop/ImageMagick/MagickCore/constitute.c:494
#6 0x8a9c1ff in ReadImages
/home/user/Desktop/ImageMagick/MagickCore/constitute.c:844
#7 0x9371649 in CLINoImageOperator
/home/user/Desktop/ImageMagick/MagickWand/operation.c:4663
#8 0x9379b31 in CLIOption
/home/user/Desktop/ImageMagick/MagickWand/operation.c:5157
#9 0x910713d in ProcessCommandOptions
/home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:474
#10 0x910a4b5 in MagickImageCommand
/home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:786
#11 0x910e999 in MagickCommandGenesis
/home/user/Desktop/ImageMagick/MagickWand/mogrify.c:172
#12 0x80de12d in MagickMain
/home/user/Desktop/ImageMagick/utilities/magick.c:74
#13 0x80de12d in main /home/user/Desktop/ImageMagick/utilities/magick.c:85
#14 0xb7534a82 in __libc_start_main
/build/buildd/eglibc-2.19/csu/libc-start.c:287
#15 0x80ddf54 in _start (/usr/local/bin/magick+0x80ddf54)
0xb5c071f1 is located 0 bytes to the right of 1-byte region
[0xb5c071f0,0xb5c071f1)
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
#3 0x8a9438a in ReadImage
/home/user/Desktop/ImageMagick/MagickCore/constitute.c:494
#4 0x8a9c1ff in ReadImages
/home/user/Desktop/ImageMagick/MagickCore/constitute.c:844
#5 0x9371649 in CLINoImageOperator
/home/user/Desktop/ImageMagick/MagickWand/operation.c:4663
#6 0x9379b31 in CLIOption
/home/user/Desktop/ImageMagick/MagickWand/operation.c:5157
#7 0x910713d in ProcessCommandOptions
/home/user/Desktop/ImageMagick/MagickWand/magick-cli.c:474
SUMMARY: AddressSanitizer: heap-buffer-overflow
/home/user/Desktop/ImageMagick/./MagickCore/quantum-private.h:266 PushShortPixel
Shadow bytes around the buggy address:
0x36b80de0: fa fa 00 fa fa fa 00 fa fa fa 00 fa fa fa 00 fa
0x36b80df0: fa fa 00 fa fa fa 00 fa fa fa 00 fa fa fa 00 fa
0x36b80e00: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x36b80e10: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
0x36b80e20: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
=>0x36b80e30: fa fa fa fa fa fa fa fa fa fa fa fa fa fa[01]fa
0x36b80e40: fa fa 00 00 fa fa 00 01 fa fa fd fd fa fa fd fd
0x36b80e50: fa fa 00 fa fa fa fd fd fa fa fd fd fa fa 00 fa
0x36b80e60: fa fa 00 fa fa fa 00 fa fa fa 00 fa fa fa 00 fa
0x36b80e70: fa fa 00 fa fa fa 00 fa fa fa 00 fa fa fa 00 fa
0x36b80e80: fa fa 00 fa fa fa 00 fa fa fa 00 fa fa fa 00 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
==20060==ABORTING
** Affects: imagemagick (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1537424
Title:
heap-buffer-overflow in ./MagickCore/quantum-private.h:266
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