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memory leaks #928

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littleputa opened this Issue Jan 4, 2018 · 3 comments

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littleputa commented Jan 4, 2018

ubuntu@ubuntu:~/fuzz_py$ magick -version
Version: ImageMagick 7.0.7-17 Q16 x86_64 2017-12-26 http://www.imagemagick.org
Copyright: © 1999-2018 ImageMagick Studio LLC
License: http://www.imagemagick.org/script/license.php
Features: Cipher DPC HDRI OpenMP
Delegates (built-in): fontconfig freetype png x zlib

ubuntu@ubuntu:~/fuzz_py$ magick montage poc.rla /dev/null
montage: improper image header poc.rla' @ error/rla.c/ReadRLAImage/290. montage: /dev/null' @ error/montage.c/MontageImageCommand/1777.

=================================================================
==108460==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 8 byte(s) in 1 object(s) allocated from:
#0 0x4b9ad3 in malloc (/usr/local/bin/magick+0x4b9ad3)
#1 0x7f51b50cda5b in ReadRLAImage /home/ubuntu/ImageMagick/coders/rla.c:271:34
#2 0x7f51b4a5aaf1 in ReadImage /home/ubuntu/ImageMagick/MagickCore/constitute.c:497:13
#3 0x7f51b4a5d2f4 in ReadImages /home/ubuntu/ImageMagick/MagickCore/constitute.c:866:9
#4 0x7f51b436f3c7 in MontageImageCommand /home/ubuntu/ImageMagick/MagickWand/montage.c:410:20
#5 0x7f51b42f62d2 in MagickCommandGenesis /home/ubuntu/ImageMagick/MagickWand/mogrify.c:183:14
#6 0x4e4ce7 in MagickMain /home/ubuntu/ImageMagick/utilities/magick.c:149:10
#7 0x4e4ce7 in main /home/ubuntu/ImageMagick/utilities/magick.c:180
#8 0x7f51b1e76f44 in __libc_start_main /build/eglibc-oGUzwX/eglibc-2.19/csu/libc-start.c:287

SUMMARY: AddressSanitizer: 8 byte(s) leaked in 1 allocation(s).

poc.zip

@littleputa littleputa closed this Jan 4, 2018

@littleputa littleputa reopened this Jan 4, 2018

urban-warrior pushed a commit that referenced this issue Jan 4, 2018

urban-warrior pushed a commit that referenced this issue Jan 4, 2018

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urban-warrior Jan 4, 2018

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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.

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urban-warrior commented Jan 4, 2018

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.

@dlemstra dlemstra added the bug label Jan 4, 2018

@dlemstra dlemstra closed this Jan 4, 2018

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littleputa Jan 5, 2018

credit: nsfocus security team.

littleputa commented Jan 5, 2018

credit: nsfocus security team.

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littleputa Jan 8, 2018

CVE-2018-5247

littleputa commented Jan 8, 2018

CVE-2018-5247

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