lib/cap-strap/helpers.rb in the cap-strap gem 0.1.5 for Ruby places credentials on the useradd command line, which allows local users to obtain sensitive information by listing the process.
www.openwall.com/lists/oss-security/2014/07/07/9
www.openwall.com/lists/oss-security/2014/07/17/5
www.vapid.dhs.org/advisories/cap-strap-0.1.5.html
github.com/advisories/GHSA-pcm6-g2qp-9gw8
github.com/rubysec/ruby-advisory-db/blob/master/gems/cap-strap/CVE-2014-4992.yml
github.com/substantial/cap-strap
nvd.nist.gov/vuln/detail/CVE-2014-4992