cve/2017/CVE-2017-7672.md

### [CVE-2017-7672](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7672)
![](https://img.shields.io/static/v1?label=Product&message=Apache%20Struts&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=DoS%20Attack&color=brighgreen)

### Description

If an application allows enter an URL in a form field and built-in URLValidator is used, it is possible to prepare a special URL which will be used to overload server process when performing validation of the URL. Solution is to upgrade to Apache Struts version 2.5.12.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/20142995/pocsuite3
- https://github.com/ARPSyndicate/cvemon
- https://github.com/PEAKWEI/WsylibBookRS
- https://github.com/wemindful/WsylibBookRS