*** This bug is a security vulnerability ***
Public security bug reported:
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
** Affects: imagemagick (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1556273
Title:
out-of-bounds write in MagickCore/memory.c:723:10
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