cve/2016/CVE-2016-2337.md

### [CVE-2016-2337](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2337)
![](https://img.shields.io/static/v1?label=Product&message=Ruby&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Tcl%2FTk&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=type%20confusion&color=brighgreen)

### Description

Type confusion exists in _cancel_eval Ruby's TclTkIp class method. Attacker passing different type of object than String as "retval" argument can cause arbitrary code execution.

### POC

#### Reference
- http://www.talosintelligence.com/reports/TALOS-2016-0031/

#### Github
- https://github.com/ARPSyndicate/cvemon