CVEs-PoC/2011/CVE-2011-4461.md

### [CVE-2011-4461](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4461)
![](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

Jetty 8.1.0.RC2 and earlier computes hash values for form parameters without restricting the ability to trigger hash collisions predictably, which allows remote attackers to cause a denial of service (CPU consumption) by sending many crafted parameters.

### POC

#### Reference
- http://www.ocert.org/advisories/ocert-2011-003.html
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
- http://www.oracle.com/technetwork/topics/security/cpujan2015-1972971.html

#### Github
- https://github.com/Anonymous-Phunter/PHunter
- https://github.com/CGCL-codes/PHunter
- https://github.com/LibHunter/LibHunter
- https://github.com/javirodriguezzz/Shodan-Browser