CVE-2011-3186
EPSS 0.81%actionpack CRLF injection vulnerability
Published: 10/24/2017Modified: 4/28/2026
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.
Affected packages (2)
- Debian/railsfrom 0, < 2.3.14
- RubyGems/actionpack>= 2.3.0, < 2.3.13
References (17)
- ADVISORYhttps://nvd.nist.gov/vuln/detail/CVE-2011-3186
- ADVISORYhttps://security-tracker.debian.org/tracker/CVE-2011-3186
- PATCHhttps://github.com/rails/rails
- WEBhttp://groups.google.com/group/rubyonrails-security/msg/bbe342e43abaa78c?dmode=source&output=gplain
- WEBhttp://lists.fedoraproject.org/pipermail/package-announce/2011-September/065137.html
- WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=732156
- WEBhttps://github.com/rails/rails/commit/11dafeaa7533be26441a63618be93a03869c83a9
- WEBhttps://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2011-3186.yml
- WEBhttps://groups.google.com/forum/#!topic/rubyonrails-security/b_yTveAph2g
- WEBhttps://web.archive.org/web/20150201000000*/http://secunia.com/advisories/45921
- WEBhttp://www.debian.org/security/2011/dsa-2301
- WEBhttp://www.openwall.com/lists/oss-security/2011/08/17/1
- WEBhttp://www.openwall.com/lists/oss-security/2011/08/19/11
- WEBhttp://www.openwall.com/lists/oss-security/2011/08/20/1
- WEBhttp://www.openwall.com/lists/oss-security/2011/08/22/13
- WEBhttp://www.openwall.com/lists/oss-security/2011/08/22/14
- WEBhttp://www.openwall.com/lists/oss-security/2011/08/22/5