CRLF injection vulnerability in Ruby on Rails before 2.0.5 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via a crafted URL to the redirect_to function.

References

• https://nvd.nist.gov/vuln/detail/CVE-2008-5189
• GHSA-jmgf-p46x-982h
• http://github.com/rails/rails/commit/7282ed863ca7e6f928bae9162c9a63a98775a19d
• http://lists.opensuse.org/opensuse-security-announce/2008-12/msg00002.html
• http://weblog.rubyonrails.org/2008/10/19/rails-2-0-5-redirect_to-and-offset-limit-sanitizing
• http://weblog.rubyonrails.org/2008/10/19/response-splitting-risk
• http://www.securityfocus.com/bid/32359
• https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails/CVE-2008-5189.yml