CVEs-PoC/2021/CVE-2021-21198.md

### [CVE-2021-21198](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21198)
![](https://img.shields.io/static/v1?label=Product&message=Chrome&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2089.0.4389.114%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Out%20of%20bounds%20read&color=brighgreen)

### Description

Out of bounds read in IPC in Google Chrome prior to 89.0.4389.114 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

### POC

#### Reference
- http://packetstormsecurity.com/files/162973/Chrome-Legacy-ipc-Message-Passed-Via-Shared-Memory.html

#### Github
- https://github.com/StarCrossPortal/bug-hunting-101