CVEs-PoC/2021/CVE-2021-20227.md

### [CVE-2021-20227](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20227)
![](https://img.shields.io/static/v1?label=Product&message=sqlite&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=sqlite%203.34.1%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416&color=brightgreen)

### Description

A flaw was found in SQLite's SELECT query functionality (src/select.c). This flaw allows an attacker who is capable of running SQL queries locally on the SQLite database to cause a denial of service or possible code execution by triggering a use-after-free. The highest threat from this vulnerability is to system availability.

### POC

#### Reference
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.oracle.com/security-alerts/cpuoct2021.html

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/akaganeite/CVE4PP
- https://github.com/n0-traces/cve_monitor