Type Confusion in Google Chrome - CVE-2020-6418

 

Type Confusion in Google Chrome - CVE-2020-6418

Published: February 25, 2020 / Updated: February 22, 2022


Vulnerability identifier: #VU25567
CSH Severity: Critical
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-2020-6418
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

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

The vulnerability exists due to a type confusion error in V8 component. 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: This vulnerability is being actively exploited in the wild.


Affected software

Google Chrome
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for Scientific Computing
Fedora
Opensuse
SUSE Package Hub for SUSE Linux Enterprise
chromium (Debian package)
www-client/chromium
www-client/google-chrome
chromium

How to mitigate CVE-2020-6418

Install updates from vendor's website.

Google Chrome - update to 80.0.3987.122
chromium (Debian package) - update to 80.0.3987.132-1~deb10u1
www-client/chromium - update to 80.0.3987.132
www-client/google-chrome - update to 80.0.3987.132
chromium - addressed in versions 80.0.3987.132-1.el8, 80.0.3987.132-1.fc30, 80.0.3987.132-1.fc31, 80.0.3987.149-1.el8, 80.0.3987.149-1.fc30, 80.0.3987.162-1.el8, 80.0.3987.163-1.el8, 81.0.4044.113-1.el8, 81.0.4044.113-2.el8, 81.0.4044.122-1.el8, 81.0.4044.138-1.el8

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins