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Date: Sun, 31 Mar 2013 16:11:27 +0000 (GMT)
From: "Larry W. Cashdollar" <>
To: Open Source Security <>
Cc: Packet Storm <>
Subject: Remote command execution in Ruby Gem ldoce 0.0.2

Remote command execution in Ruby Gem ldoce 0.0.2
Larry W. Cashdollar

Ldoce Ruby Gem:

Easily interface with the Longman Dictionary of Contemporary English API from Ruby:

NB currently mac only as it depends on the afplay command.

Ldoce passes an mp3 url to commandline for audio output of the pronunciation of a dictonary word:

If the URL or filename for the mp3 files contain shell met´╗┐acharacters code can be executed remotely as the client:


      if mp3?
        unless File.exists? filename
          command = "curl #{mp3_url} -silent > {filename}"
        `afplay #{filename}`

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