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Q1What is this vulnerability? (Essence + Consequences)
đ¨ **Essence**: A path traversal flaw in Ruby on Rails. đ **Consequences**: Remote attackers can read arbitrary files via crafted requests. It breaks the security boundary of the web app.
Q2Root Cause? (CWE/Flaw)
đ ď¸ **Root Cause**: Misconfigured **route globbing**. When enabled, the framework fails to sanitize paths, allowing directory traversal sequences to escape intended directories.
Q3Who is affected? (Versions/Components)
đŚ **Affected Versions**:
⢠Rails 3.2.18 and earlier
⢠Rails 4.0.x before 4.0.5
⢠Rails 4.1.x before 4.1.1
â ď¸ Only if specific route globbing is enabled.
Q4What can hackers do? (Privileges/Data)
đľď¸ **Attacker Capabilities**: Read **arbitrary files** on the server. This could lead to leaking source code, config files, or sensitive data. No local access needed.
Q5Is exploitation threshold high? (Auth/Config)
âď¸ **Exploitation Threshold**: **Medium**. Requires specific configuration (route globbing enabled). However, once configured, exploitation is remote and straightforward via HTTP requests.
Q6Is there a public Exp? (PoC/Wild Exploitation)
đť **Public Exploit**: **Yes**. A PoC is available on GitHub (`omarkurt/cve-2014-0130`). Wild exploitation is possible for vulnerable setups.
Q7How to self-check? (Features/Scanning)
đ **Self-Check**: Scan for Rails versions < 3.2.18, 4.0.5, or 4.1.1. Check `routes.rb` for globbing configurations (`*` or `**`). Use scanners to detect directory traversal patterns.
Q8Is it fixed officially? (Patch/Mitigation)
đĄď¸ **Official Fix**: **Yes**. Upgrade to Rails 3.2.18+, 4.0.5+, or 4.1.1+. Red Hat issued advisory RHSA-2014:1863 for affected distributions.
Q9What if no patch? (Workaround)
đ§ **No Patch Workaround**: Disable **route globbing** in `routes.rb` if possible. Implement strict input validation or use a WAF to block traversal sequences (`../`).
Q10Is it urgent? (Priority Suggestion)
đĽ **Urgency**: **High**. Remote code/file read is critical. If you run affected Rails versions with globbing, patch immediately. Do not ignore this!