CVE-2013-1898
lib/thumbshooter.rb in the Thumbshooter 0.1.5 gem for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a URL.
Date published : 2013-04-09
http://seclists.org/fulldisclosure/2013/Mar/218
http://vapid.dhs.org/advisories/thumbshooter-ruby-gem-remoteexec.html