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memory leak in WritePCXImage #575

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jgj212 opened this issue Jul 17, 2017 · 2 comments
Closed

memory leak in WritePCXImage #575

jgj212 opened this issue Jul 17, 2017 · 2 comments
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@jgj212
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jgj212 commented Jul 17, 2017

Version: ImageMagick 7.0.6-2 Q16 x86_64

./magick convert $FILE  out.pcx

==12396==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 768 byte(s) in 1 object(s) allocated from:
    #0 0x4deeb6 in __interceptor_malloc asan_malloc_linux.cc:66
    #1 0x7f7ae52ff186 in AcquireMagickMemory memory.c:464:10
    #2 0x7f7ae52ff1e8 in AcquireQuantumMemory memory.c:537:10
    #3 0x7f7ae57a0991 in WritePCXImage pcx.c:987:36
    #4 0x7f7ae50de6fe in WriteImage constitute.c:1114:14
    #5 0x7f7ae50df5fd in WriteImages constitute.c:1333:13
    #6 0x7f7ae478a900 in ConvertImageCommand convert.c:3280:11
    #7 0x7f7ae48d90cf in MagickCommandGenesis mogrify.c:183:14
    #8 0x514a37 in MagickMain magick.c:149:10
    #9 0x514491 in main magick.c:180:10
    #10 0x7f7adf116f44 in __libc_start_main libc-start.c:287

POC: https://github.com/jgj212/poc/blob/master/leak-WritePCXImage

Credit : ADLab of Venustech

@mikayla-grace
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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.

@nohmask
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nohmask commented Sep 8, 2017

This was assigned CVE-2017-12668.

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