Vulnerability CVE-2016-2097
Published: 2016-04-07   Modified: 2016-04-08

Description:
Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.2 and 4.x before 4.1.14.2 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-0752.

Type:

CWE-22

 (Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'))

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Rubyonrails -> Ruby on rails 
Rubyonrails -> Rails 

 References:
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00080.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00083.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00006.html
http://weblog.rubyonrails.org/2016/2/29/Rails-4-2-5-2-4-1-14-2-3-2-22-2-have-been-released/
http://www.debian.org/security/2016/dsa-3509
http://www.securityfocus.com/bid/83726
http://www.securitytracker.com/id/1035122
https://groups.google.com/forum/message/raw?msg=rubyonrails-security/ddY6HgqB2z4/we0RasMZIAAJ
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