Directory traversal vulnerability in actionpack (GHSA-h56m-vwxc-3qpw)
Published: 2017-10-24T18:33:36Z
Aliases: CVE-2014-7829
Severity: MODERATE · CWE: CWE-22

Directory traversal vulnerability in actionpack/lib/action_dispatch/middleware/static.rb in Action Pack in Ruby on Rails 3.x before 3.2.21, 4.0.x before 4.0.12, 4.1.x before 4.1.8, and 4.2.x before 4.2.0.beta4, when serve_static_assets is enabled, allows remote attackers to determine the existence of files outside the application root via vectors involving a \ (backslash) character, a similar issue to CVE-2014-7818.

Affected packages:
package: ecosystem: RubyGems
name: actionpack
ranges: type: ECOSYSTEM
events: introduced: 4.1.0
fixed: 4.1.8
package: ecosystem: RubyGems
name: actionpack
ranges: type: ECOSYSTEM
events: introduced: 3.0.0
fixed: 3.2.21
package: ecosystem: RubyGems
name: actionpack
ranges: type: ECOSYSTEM
events: introduced: 4.0.0
fixed: 4.0.12
package: ecosystem: RubyGems
name: actionpack
ranges: type: ECOSYSTEM
events: introduced: 4.2.0.beta1
fixed: 4.2.0.beta4