CVE-2011-3186
actionpack CRLF injection vulnerability
EPSS 0.81%
Description
CRLF injection vulnerability in actionpack/lib/action_controller/response.rb in Ruby on Rails 2.3.x before 2.3.13 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via the Content-Type header.
How to fix CVE-2011-3186
To remediate CVE-2011-3186, upgrade the affected package to a fixed version below.
- Debian/rails—upgrade to 2.3.14 or later
- RubyGems/actionpack—upgrade to 2.3.13 or later
Is CVE-2011-3186 being exploited?
Low — EPSS is 0.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.3.14
- >= 2.3.0, < 2.3.13