SB2021092428 - Remote code execution in Google Chrome

Description

This security bulletin contains information about 1 security vulnerability.

1) Use-after-free (CVE-ID: CVE-2021-37973)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when processing HTML content within the Portals component in Google Chrome. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger a use-after-free error and execute arbitrary code on the system.

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

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

Remediation

Install update from vendor's website.

References

• https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop_24.html
• https://crbug.com/1251727
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-37973