Use-after-free in Google Chromium - CVE-2021-4102

Detailed vulnerability description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the V8 engine. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

Note, the vulnerability is being actively exploited in the wild.

How to mitigate CVE-2021-4102

Sources

• https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop_13.html
• https://crbug.com/1278387
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-4102