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Category:   Application (Generic)  >   Rails Vendors:   rubyforge.org
Ruby on Rails Bug Lets Remote Users Bypass Cross-Site Request Forgery Protection
SecurityTracker Alert ID:  1025060
SecurityTracker URL:  http://securitytracker.com/id/1025060
CVE Reference:   CVE-2011-0447   (Links to External Site)
Date:  Feb 10 2011
Impact:   Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.1.0 to prior to 2.3.11, 3.0 prior to 3.0.4
Description:   A vulnerability was reported in Ruby on Rails. A remote user can bypass cross-site request forgery protection.

A remote user can exploit certain combinations of browser plugins and HTTP redirects to cause the target user's browser to make cross-domain requests and bypass the built-in cross-site request forgery (CSRF) protection.

Felix Grobert of the Google Security Team reported this vulnerability.

Impact:   A remote user can bypass cross-site request forgery protection.
Solution:   The vendor has issued a fix (2.3.11, 3.0.4).

The vendor's advisory is available at:

http://weblog.rubyonrails.org/2011/2/8/csrf-protection-bypass-in-ruby-on-rails

Vendor URL:  weblog.rubyonrails.org/2011/2/8/csrf-protection-bypass-in-ruby-on-rails (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   None.


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