### [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