CVE-2011-3187
Severity CVSS v4.0:
Pending analysis
Type:
CWE-20
Input Validation
Publication date:
29/08/2011
Last modified:
11/04/2025
Description
The to_s method in actionpack/lib/action_dispatch/middleware/remote_ip.rb in Ruby on Rails 3.0.5 does not validate the X-Forwarded-For header in requests from IP addresses on a Class C network, which might allow remote attackers to inject arbitrary text into log files or bypass intended address parsing via a crafted header.
Impact
Base Score 2.0
4.30
Severity 2.0
MEDIUM
Vulnerable products and versions
| CPE | From | Up to |
|---|---|---|
| cpe:2.3:a:rubyonrails:rails:3.0.5:*:*:*:*:*:*:* |
To consult the complete list of CPE names with products and versions, see this page
References to Advisories, Solutions, and Tools
- http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0337.html
- http://webservsec.blogspot.com/2011/02/ruby-on-rails-vulnerability.html
- http://www.openwall.com/lists/oss-security/2011/08/17/1
- http://www.openwall.com/lists/oss-security/2011/08/19/11
- http://www.openwall.com/lists/oss-security/2011/08/20/1
- http://www.openwall.com/lists/oss-security/2011/08/22/13
- http://www.openwall.com/lists/oss-security/2011/08/22/14
- http://www.openwall.com/lists/oss-security/2011/08/22/5
- https://bugzilla.novell.com/show_bug.cgi?id=673010
- http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0337.html
- http://webservsec.blogspot.com/2011/02/ruby-on-rails-vulnerability.html
- http://www.openwall.com/lists/oss-security/2011/08/17/1
- http://www.openwall.com/lists/oss-security/2011/08/19/11
- http://www.openwall.com/lists/oss-security/2011/08/20/1
- http://www.openwall.com/lists/oss-security/2011/08/22/13
- http://www.openwall.com/lists/oss-security/2011/08/22/14
- http://www.openwall.com/lists/oss-security/2011/08/22/5
- https://bugzilla.novell.com/show_bug.cgi?id=673010