Ruby on Rails 'convert _ json_to_yaml () 'method Security Vulnerability

Release date:
Updated on: 2013-01-31

Affected Systems:
Ruby on Rails 3.x
Ruby on Rails 2.x
Description:
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Bugtraq id: 57575
CVE (CAN) ID: CVE-2013-0333
 
Ruby on Rails (RoR or Rails) is an open-source Web application framework written in Ruby. It is developed in strict accordance with the MVC structure.
 
When decoding YAML input in Ruby on Rails 3.0.20 and 2.3.16, the "convert_json_to_yaml ()" method of JSON Parser contains an input verification error, allowing arbitrary code execution.
 
<* Source: Lawrence Pit

Link: http://secunia.com/advisories/51938/
Http://weblog.rubyonrails.org/2013/1/28/Rails-3-0-20-and-2-3-16-have-been-released/
*>

Suggestion:
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Vendor patch:
 
Ruby on Rails
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The vendor has released a patch to fix this security problem. Please download it from the vendor's homepage:
 
Http://www.rubyonrails.com/