memory leak in ReadPICTImage

[bestshow]

Version: ImageMagick 7.0.6-3 Q16 x86_64

A memory leak vulnerability was found in function ReadPICTImage ,which allow attackers to cause a denial of service (memory leak) via a crafted file.

=================================================================
==108050==ERROR: detected memory leaks

Direct leak of 13488 byte(s) in 1 object(s) allocated from:
    #0 0x4eb9c6 in __interceptor_malloc /home/test/Downloads/llvm-clang/llvm/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:66
    #1 0x527461 in AcquireImage /home/test/Downloads/IM-afl/ImageMagick-master/MagickCore/image.c:169:19
    #2 0x9dbc76 in ReadPICTImage /home/test/Downloads/IM-afl/ImageMagick-master/coders/pict.c:863:9
    #3 0xde14b1 in ReadImage /home/test/Downloads/IM-afl/ImageMagick-master/MagickCore/constitute.c:497:13
    #4 0x13168be in ReadStream /home/test/Downloads/IM-afl/ImageMagick-master/MagickCore/stream.c:1045:9
    #5 0xde0261 in PingImage /home/test/Downloads/IM-afl/ImageMagick-master/MagickCore/constitute.c:226:9
    #6 0x165a325 in IdentifyImageCommand /home/test/Downloads/IM-afl/ImageMagick-master/MagickWand/identify.c:319:18
    #7 0x172df58 in MagickCommandGenesis /home/test/Downloads/IM-afl/ImageMagick-master/MagickWand/mogrify.c:183:14
    #8 0x521ccd in MagickMain /home/test/Downloads/IM-afl/ImageMagick-master/utilities/magick.c:149:10
    #9 0x521ccd in main /home/test/Downloads/IM-afl/ImageMagick-master/utilities/magick.c:180
    #10 0x7f3481071b34 in __libc_start_main /usr/src/debug/glibc-2.17-c758a686/csu/../csu/libc-start.c:274

Indirect leak of 13024 byte(s) in 1 object(s) allocated from:
    #0 0x4eb9c6 in __interceptor_malloc /home/test/Downloads/llvm-clang/llvm/projects/compiler-rt/lib/asan/asan_malloc_linux.cc:66
    #1 0x52b585 in AcquireImageInfo /home/test/Downloads/IM-afl/ImageMagick-master/MagickCore/image.c:347:28
    #2 0x5285d5 in AcquireImage /home/test/Downloads/IM-afl/ImageMagick-master/MagickCore/image.c:290:10
    #3 0x9dbc76 in ReadPICTImage /home/test/Downloads/IM-afl/ImageMagick-master/coders/pict.c:863:9
    #4 0xde14b1 in ReadImage /home/test/Downloads/IM-afl/ImageMagick-master/MagickCore/constitute.c:497:13
    #5 0x13168be in ReadStream /home/test/Downloads/IM-afl/ImageMagick-master/MagickCore/stream.c:1045:9
    #6 0xde0261 in PingImage /home/test/Downloads/IM-afl/ImageMagick-master/MagickCore/constitute.c:226:9
    #7 0x165a325 in IdentifyImageCommand /home/test/Downloads/IM-afl/ImageMagick-master/MagickWand/identify.c:319:18
    #8 0x172df58 in MagickCommandGenesis /home/test/Downloads/IM-afl/ImageMagick-master/MagickWand/mogrify.c:183:14
    #9 0x521ccd in MagickMain /home/test/Downloads/IM-afl/ImageMagick-master/utilities/magick.c:149:10
    #10 0x521ccd in main /home/test/Downloads/IM-afl/ImageMagick-master/utilities/magick.c:180
    #11 0x7f3481071b34 in __libc_start_main /usr/src/debug/glibc-2.17-c758a686/csu/../csu/libc-start.c:274

......

SUMMARY: 46423 byte(s) leaked in 21 allocation(s).

testcase:https://github.com/bestshow/p0cs/blob/master/memory_leak_in_ReadPICTImage_2.pict
Credit:ADLab of Venustech

[mikayla-grace]

Thanks for the problem report. We can reproduce it and will have a patch to fix it in GIT master branch @ https://github.com/ImageMagick/ImageMagick later today. The patch will be available in the beta releases of ImageMagick @ http://www.imagemagick.org/download/beta/ by sometime tomorrow.

[bastien-roucaries]

Need to open a CVE https://cveform.mitre.org/

[nohmask]

This was assigned CVE-2017-12654.