1. Description.
/usr/bin/shutter in Shutter through 0.93.1 allows user-assisted remote
attackers to execute arbitrary commands via a crafted image name that is
mishandled during a "Run a plugin" action.
2. Proof of concept.
1) Rename an image to something like "$(firefox)"
2) Open the renamed file in shutter
3) Click the "Run a plugin" option and select any plugin from the list and click "Run"
3. Solution:
https://bugs.launchpad.net/shutter/+bug/1652600
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