CVE-2014-7819

Multiple directory traversal vulnerabilities in server.rb in Sprockets
before 2.0.5, 2.1.x before 2.1.4, 2.2.x before 2.2.3, 2.3.x before 2.3.3,
2.4.x before 2.4.6, 2.5.x before 2.5.1, 2.6.x and 2.7.x before 2.7.1, 2.8.x
before 2.8.3, 2.9.x before 2.9.4, 2.10.x before 2.10.2, 2.11.x before
2.11.3, 2.12.x before 2.12.3, and 3.x before 3.0.0.beta.3, as distributed
with Ruby on Rails 3.x and 4.x, allow remote attackers to determine the
existence of files outside the application root via a …/ (dot dot slash)
sequence with (1) double slashes or (2) URL encoding.