The self.run_gpg function in lib/rgpg/gpg_helper.rb in the rgpg gem before 0.2.3 for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in unspecified vectors.Referenceshttp://www.openwall.com/lists/oss-security/2013/08/03/2https://github.com/rcook/rgpg/commit/b819b13d198495f3ecd2762a0dbe27bb6fae3505
