CVE-2014-7829

Related Vulnerabilities: CVE-2014-7829  

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.

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2014-7829 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 5
Base Metrics AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Affected Packages State

Platform Package State
Red Hat Subscription Asset Manager 1 ruby193-rubygem-actionpack Will not fix
Red Hat Subscription Asset Manager 1 rubygem-actionpack Will not fix
Red Hat Software Collections 1 for Red Hat Enterprise Linux ror40-rubygem-actionpack Will not fix
Red Hat Software Collections 1 for Red Hat Enterprise Linux ruby193-rubygem-actionpack Will not fix
Red Hat Enterprise Linux OpenStack Platform 4.0 ruby193-rubygem-actionpack Will not fix

Acknowledgements

Red Hat would like to thank the Ruby on Rails project for reporting this issue. Upstream acknowledges Behrouz Sadeghipour, Patrick Toomey of GitHub, and Remon Oldenbeuving of hackerone as the original, independent reporters.