chef/travis-cookbooks/ci_environment/perlbrew/recipes/default.rb in the ciborg gem 3.0.0 for Ruby allows local users to write to arbitrary files and gain privileges via a symlink attack on /tmp/perlbrew-installer.Referenceshttp://www.openwall.com/lists/oss-security/2014/07/17/5http://www.vapid.dhs.org/advisories/ciborg-3.0.0.htmlhttp://www.openwall.com/lists/oss-security/2014/07/07/24
