cve/2014/CVE-2014-7829.md

### [CVE-2014-7829](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7829)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Directory traversal vulnerability in actionpack/lib/action_dispatch/middleware/static.rb in Action Pack in Ruby on Rails 3.x before 3.2.21, 4.0.x before 4.0.12, 4.1.x before 4.1.8, and 4.2.x before 4.2.0.beta4, when serve_static_assets is enabled, allows remote attackers to determine the existence of files outside the application root via vectors involving a \ (backslash) character, a similar issue to CVE-2014-7818.

### POC

#### Reference
- https://hackerone.com/reports/43440
- https://puppet.com/security/cve/cve-2014-7829

#### Github
- https://github.com/jasnow/585-652-ruby-advisory-db
- https://github.com/rubysec/ruby-advisory-db
- https://github.com/zhangyongbo100/-Ruby-dl-handle.c-CVE-2009-5147-