cve/2020/CVE-2020-25021.md

### [CVE-2020-25021](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25021)
![](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

An issue was discovered in Noise-Java through 2020-08-27. ChaChaPolyCipherState.encryptWithAd() allows out-of-bounds access.

### POC

#### Reference
- http://packetstormsecurity.com/files/159057/Noise-Java-ChaChaPolyCipherState.encryptWithAd-Insufficient-Boundary-Checks.html
- http://seclists.org/fulldisclosure/2020/Sep/14

#### Github
- https://github.com/404notf0und/CVE-Flow