CVE-2012-3464 activesupport Cross-site Scripting vulnerability
Remote attackers can inject arbitrary web script or HTML via quote characters in Ruby on Rails, potentially leading to session hijacking or data theft.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2012-3464?
CVE-2012-3464 is a medium-severity cross-site scripting vulnerability in Rubyonrails Rails, published on 10 Aug 2012. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Cross-site scripting (XSS) vulnerability in activesupport/lib/active_support/core_ext/string/output_safety.rb in Ruby on Rails before 3.0.17, 3.1.x before 3.1.8, and 3.2.x before 3.2.8 might allow remote attackers to inject arbitrary web script or HTML via vectors involving a ' (quote) character.
Weakness: CWE-79
Which versions are affected by CVE-2012-3464?
8 open source packages ship an affected version, including activesupport. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
activesupport RubyGems | All versions | 2.3.16 |
activesupport RubyGems | All versions | 2.3.16 |
activesupport RubyGems | From 3.0.0.beta | 3.0.17 |
activesupport RubyGems | From 3.0.0.beta | 3.0.17 |
activesupport RubyGems | From 3.1.0 | 3.1.8 |
activesupport RubyGems | From 3.1.0 | 3.1.8 |
2 more packages
activesupport RubyGems | From 3.2.0 | 3.2.8 |
activesupport RubyGems | From 3.2.0 | 3.2.8 |
Products include Rubyonrails Rails, Rubyonrails Ruby on Rails.
How do I fix CVE-2012-3464?
Upgrade activesupport to a fixed version for your release line: 2.3.16, 3.0.17, 3.1.8 or 3.2.8.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2012-3464 being exploited?
There is no known exploitation of CVE-2012-3464 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 DEBIAN-CVE-2012-3464, GHSA-h835-75hw-pj89.