Ruby on Rails "to_json" Function Data Processing Cross Site Scripting Vulnerability


Description   A vulnerability has been identified in Ruby on Rails, which could be exploited by attackers to execute arbitrary scripting code. This issue is caused by an input validation error in the "to_json" [activesupport/lib/active_support/json/encoders/string.rb] function when processing user-supplied data, which could be exploited by attackers to cause arbitrary scripting code to be executed by the user's browser in the security context of an affected Web site.
     
Vulnerable Products   Vulnerable Software:
Ruby on Rails version 1.2.3 and prior
     
Solution   Upgrade to Ruby on Rails version 1.2.5 : http://www.rubyonrails.org/down
     
CVE   CVE-2007-3227
     
References   http://dev.rubyonrails.org/ticket/8371
http://weblog.rubyonrails.org/2007/10/5/rails-1-2-4-maintenance-release
http://weblog.rubyonrails.org/2007/10/12/rails-1-2-5-maintenance-release
     
Vulnerability Manager Detection   No
     
IPS Protection  
ASQ Engine alarm Available Since
XSS - Prevention - GET : javascript code found in URL
3.2.0
XSS - Prevention - GET : 'script' tag found in URL
3.2.0
     


 
 
 
 
 Risk level 
Low 

 Vulnerability First Public Report Date 
2007-06-15 

 Target Type 
Client 

 Possible exploit 
Local & Remote