cve/2015/CVE-2015-7551.md

### [CVE-2015-7551](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7551)
![](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

The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2.1.8, and 2.2 before 2.2.4, as distributed in Apple OS X before 10.11.4 and other products, mishandles tainting, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted string, related to the DL module and the libffi library.  NOTE: this vulnerability exists because of a CVE-2009-5147 regression.

### POC

#### Reference
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html

#### Github
- https://github.com/RubyOnWorld/ruby-audit
- https://github.com/civisanalytics/ruby_audit
- https://github.com/jeffreyc/ruby_audit
- https://github.com/vpereira/CVE-2009-5147