SB2021041301 - Remote code execution in Google Chrome

Description

This security bulletin contains information about 1 security vulnerability.

1) Integer overflow (CVE-ID: CVE-2021-21220)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in V8 engine in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger integer overflow and execute arbitrary code on the target system.

Note, successful exploitation of this vulnerability may result in complete compromise of vulnerable system but requires additional vulnerability to escape browser's sandbox.

Remediation

Install update from vendor's website.

References

• https://twitter.com/r4j0x00
• https://github.com/r4j0x00/exploits/tree/master/chrome-0day
• https://chromereleases.googleblog.com/2021/04/stable-channel-update-for-desktop.html
• https://crbug.com/1196683