Input validation error in Google Chromium - CVE-2021-4098

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Main Vulnerability Database Vulnerabilities #VU58846

Input validation error in Google Chromium - CVE-2021-4098

Published: December 13, 2021 / Updated: December 15, 2021


Vulnerability identifier: #VU58846
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2021-4098
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to improper input validation when processing HTML content in Mojo. Chrome Critical. A remote attacker can trick the victim to open a specially crafted web page and execute arbitrary code on the target system.

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


Affected software

Google Chromium
Google Chrome
Microsoft Edge
Gentoo Linux
Fedora
Dell Hybrid Client
qt5-qtwebengine
chromium
chromium (Debian package)
Wyse 5070

How to mitigate CVE-2021-4098

Update to version 96.0.4664.110.

Google Chromium - update to 96.0.4664.110
Dell Hybrid Client - update to 1.6.1
Google Chrome - update to 96.0.4664.110
Microsoft Edge - update to 96.0.1054.57
qt5-qtwebengine - addressed in versions 5.15.8-2.fc34, 5.15.8-2.fc35
Wyse 5070 - update to 10.04.06.01.22.00
chromium - addressed in versions 96.0.4664.110-2.el8, 96.0.4664.110-2.fc34, 96.0.4664.110-2.fc35, 96.0.4664.110-3.fc34, 96.0.4664.110-3.fc35
chromium (Debian package) - update to 97.0.4692.71-0.1~deb11u1

External References

Related Security Bulletins