Integer underflow in Google Chromium - CVE-2021-4066

 

Integer underflow in Google Chromium - CVE-2021-4066

Published: December 6, 2021 / Updated: December 10, 2021


Vulnerability identifier: #VU58549
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-4066
CWE-ID: CWE-191
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Google
Affected software:
Google Chromium

Detailed vulnerability description

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

The vulnerability exists due to integer underflow. A remote attacker can send a specially crafted request to the affected application, trigger integer underflow and execute arbitrary code on the target system.

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


How to mitigate CVE-2021-4066

Update to version 96.0.4664.93.

Sources