Zero-day vulnerability in Google Chrome

Type Confusion
CVE-2021-30563

Vulnerability details

Advisory: SB2021071511 - Multiple vulnerabilities in Google Chrome

Vulnerable component: Google Chrome

CVE-ID: CVE-2021-30563

CVSSv3 score: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-843 - Access of Resource Using Incompatible Type ('Type Confusion')

Description:

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

The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

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

External links:

https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop.html