kelredd-pruview gem 0.3.8 for Ruby allows context-dependent attackers to execute arbitrary commands via shell metacharacters in a filename argument to document.rb, video.rb, or video_image.rb.
vapid.dhs.org/advisories/kelredd-pruview-cmd-inject.html
www.openwall.com/lists/oss-security/2013/04/10/3
www.openwall.com/lists/oss-security/2013/04/12/2
github.com/advisories/GHSA-78j3-7wpm-qhvp
github.com/rubysec/ruby-advisory-db/blob/master/gems/kelredd-pruview/CVE-2013-1947.yml
nvd.nist.gov/vuln/detail/CVE-2013-1947