CVE-2011-0449 actionpack allows remote attackers to bypass intended access restrictions
Remote attackers can bypass template access restrictions on case-insensitive filesystems by manipulating action name casing in Ruby on Rails applications.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2011-0449?
CVE-2011-0449 is a high-severity vulnerability in Rubyonrails Rails, published on 21 Feb 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
actionpack/lib/action_view/template/resolver.rb in Ruby on Rails 3.0.x before 3.0.4, when a case-insensitive filesystem is used, does not properly implement filters associated with the list of available templates, which allows remote attackers to bypass intended access restrictions via an action name that uses an unintended case for alphabetic characters.
Weakness: CWE-264
Which versions are affected by CVE-2011-0449?
2 open source packages ship an affected version, including actionpack. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
actionpack RubyGems | From 3.0.0 | 3.0.4 |
actionpack RubyGems | From 3.0.0 | 3.0.4 |
Products include Rubyonrails Rails.
How do I fix CVE-2011-0449?
Upgrade actionpack to 3.0.4 or later.
Is CVE-2011-0449 being exploited?
There is no known exploitation of CVE-2011-0449 in the wild and no public exploit code.
Other vulnerabilities in Rubyonrails Rails
- CVE-2013-0277 Active Record contains deserialization of arbitrary YAML
- CVE-2017-17916 SQL injection in n/a
- CVE-2017-17917 SQL injection in n/a
- CVE-2026-33195 Rails Active Storage has possible Path Traversal in DiskService
- CVE-2024-26142 Rails possible ReDoS vulnerability in Accept header parsing in Action Dispatch
Sources
Also known as GHSA-4ww3-3rxj-8v6q.