Integer overflow in Google Chrome - CVE-2021-21220
Published: April 13, 2021 / Updated: February 20, 2022
Vulnerability identifier: #VU52059
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2021-21220
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: Google
Affected software:
Google Chrome
Google Chrome
Detailed vulnerability description
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.
How to mitigate CVE-2021-21220
Install update from vendor's website.