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Message-Id: <20140707181454.F372F1A41139@me.com> Date: Mon, 7 Jul 2014 14:14:54 -0400 (EDT) From: larry0@...com (Larry W. Cashdollar) To: <oss-security@...ts.openwall.com> Subject: Vulnerability Report for Ruby Gem lynx-0.2.0 Title: Vulnerability Report for Ruby Gem lynx-0.2.0 Author: Larry W. Cashdollar, @_larry0 Date: 06/01/2014 OSVDB: 108579 CVE:Please Assign Download: http://rubygems.org/gems/lynx Gem Author: pan.thomakos@...il.com From: ./lynx-0.2.0/lib/lynx/pipe/get.rb Doesn't properly sanitize user input before sending to command line: From: lynx/blob/master/lib/lynx/pipe/run.rb module Lynx module Pipe class Run < Basic def perform(command) system(command.to_s) end end end end Exposes password to the process table From:lynx/blob/master/lib/lynx/command/basic.rb @command << "--password=#{config.password}" if config.password 04- module Pipe 6- def perform(command) 7: `#{command}`.strip 8- end 9- end 10- end Advisory: http://www.vapid.dhs.org/advisories/lynx-0.2.0.html
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