GitHub Advisoryadvisory · RubyGems
GHSA-3vfw-7rcp-3xgm actionpack Improper Input Validation vulnerability
MEDIUM
Official page ↗
- Aliases
- CVE-2011-3187
- Ecosystem
- RubyGems
- Packages
- actionpack
- Severity
- Moderate
- Weaknesses
- CWE-20
- Reviewed
- 2020-06-16
Affected packages
• RubyGems actionpack: >= 2.3.0, < 2.3.13 → fixed in 2.3.13
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.
Related
Alias · CVE (1)
- CVE-2011-3187 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… vulnerability
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- https://nvd.nist.gov/vuln/detail/CVE-2011-3187 advisory
- https://bugzilla.novell.com/show_bug.cgi?id=673010 web
- https://github.com/rails/rails package
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/actionpack/CVE-2011-3187.yml web
- https://web.archive.org/web/20111209181000/http://archives.neohapsis.com/archives/fulldisclosure/2011-02/0337.html web
- http://webservsec.blogspot.com/2011/02/ruby-on-rails-vulnerability.html web
- http://www.openwall.com/lists/oss-security/2011/08/17/1 web
- http://www.openwall.com/lists/oss-security/2011/08/19/11 web
- http://www.openwall.com/lists/oss-security/2011/08/20/1 web
- http://www.openwall.com/lists/oss-security/2011/08/22/13 web
- http://www.openwall.com/lists/oss-security/2011/08/22/14 web
- http://www.openwall.com/lists/oss-security/2011/08/22/5 web