GHSA-fff3-4rp7-px97: ImageMagick has a heap-buffer-overflow

Summary

While Processing a crafted TIFF file, imagemagick crashes.

Details

Following is the imagemagick version:

imagemagick_git/build_26jun23/bin/magick --version
Version: ImageMagick 7.1.1-13 (Beta) Q16-HDRI x86_64 56f478940:20230625 https://imagemagick.org
Copyright: (C) 1999 ImageMagick Studio LLC
License: https://imagemagick.org/script/license.php
Features: Cipher DPC HDRI 
Delegates (built-in): fontconfig freetype jbig jng jpeg lcms lzma pangocairo png tiff webp x xml zlib
Compiler: gcc (4.2)

PoC

issue can be replicated with following command with provided POC file(sent over email):

magick poc.tiff /dev/null

Impact

This can lead to application crash.

Credits

Please give credits to Hardik shah of Vehere (Dawn Treaders team)

References

• GHSA-fff3-4rp7-px97