cve/2016/CVE-2016-8610.md

### [CVE-2016-8610](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-8610)
![](https://img.shields.io/static/v1?label=Product&message=OpenSSL&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20All%200.9.8%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-400&color=brighgreen)

### Description

A denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.

### POC

#### Reference
- http://seclists.org/oss-sec/2016/q4/224
- https://www.oracle.com/security-alerts/cpuapr2020.html
- https://www.oracle.com/security-alerts/cpujan2020.html
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://www.oracle.com/security-alerts/cpuoct2020.html
- https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/chnzzh/OpenSSL-CVE-lib
- https://github.com/cujanovic/CVE-2016-8610-PoC