cve/2016/CVE-2016-6308.md

### [CVE-2016-6308](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6308)
![](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

statem/statem_dtls.c in the DTLS implementation in OpenSSL 1.1.0 before 1.1.0a allocates memory before checking for an excessive length, which might allow remote attackers to cause a denial of service (memory consumption) via crafted DTLS messages.

### POC

#### Reference
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
- https://hackerone.com/reports/221792
- https://hackerone.com/reports/221792
- https://www.tenable.com/security/tns-2016-20
- https://www.tenable.com/security/tns-2016-20

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/RClueX/Hackerone-Reports
- https://github.com/chnzzh/OpenSSL-CVE-lib
- https://github.com/imhunterand/hackerone-publicy-disclosed