CVEs-PoC/2020/CVE-2020-7793.md

### [CVE-2020-7793](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7793)
![](https://img.shields.io/static/v1?label=Product&message=ua-parser-js&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%200.7.23%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Regular%20Expression%20Denial%20of%20Service%20(ReDoS)&color=brighgreen)

### Description

The package ua-parser-js before 0.7.23 are vulnerable to Regular Expression Denial of Service (ReDoS) in multiple regexes (see linked commit for more info).

### POC

#### Reference
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBFAISALMAN-1050388
- https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1050387
- https://snyk.io/vuln/SNYK-JS-UAPARSERJS-1023599

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-7793
- https://github.com/engn33r/awesome-redos-security
- https://github.com/yetingli/PoCs