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Remote command execution in fastreader ruby gem
From: larry0 () me com
Date: Sun, 17 Mar 2013 12:49:56 GMT

Ruby gem fastreader-1.0.8 remote code exec

3/6/2013
if the url contains any ; characters code will be executed as the user.

for example if fastreader is fed http://www.g;id;.com id will be executed.

./fastreader-1.0.8/lib/entry_controller.rb

.strip only removes whitespace before and after the URL.

115       # open web browser
116       command = (ENV['FASTREADER_WEB'] || "open") + " { () current_entry url strip}"
117       `{command}`
Larry W. Cashdollar
@_larry0
http://vapid.dhs.org/advisories/fastreader-1.0.8-remote-exec.html


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