actionpack/lib/action_view/template/text.rb in Action View in Ruby on Rails 3.x before 3.2.17 converts MIME type strings to symbols during use of the :text option to the render method, which allows remote attackers to cause a denial of service (memory consumption) by including these strings in headers.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 10.0
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Low
Authentication: Not required to exploit
Impact Type: Allows disruption of service
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[rubyonrails-security] 20140218 Denial of Service Vulnerability in Action View when using render :text (CVE-2014-0082)
[oss-security] 20140218 Denial of Service Vulnerability in Action View when using render :text (CVE-2014-0082)