A vulnerability has been identified in Ruby on Rails, which could be exploited by attackers to bypass security restrictions. This issue is caused by an error in the CgiRequest constructor [lib/action_controller/cgi_process.rb] that removes the ":cookie_only" attribute from "DEFAULT_SESSION_OPTIONS", which could potentially be exploited to conduct session fixation attacks and gain unauthorized access to an affected application.
Credits
Vulnerability reported by sameer.
ChangeLog
2007-11-27 : Initial release
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