Use-after-free in Google Chrome - CVE-2020-16017

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Main Vulnerability Database Vulnerabilities #VU48384

Use-after-free in Google Chrome - CVE-2020-16017

Published: November 11, 2020 / Updated: November 12, 2020


Vulnerability identifier: #VU48384
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-2020-16017
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

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

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

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


Affected software

Google Chrome
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Fedora
chromium (Debian package)
chromium-browser (Red Hat package)
chromium

How to mitigate CVE-2020-16017

Update to version 86.0.4240.198.

Google Chrome - update to 86.0.4240.198
chromium (Debian package) - update to 87.0.4280.88-0.4~deb10u1
chromium-browser (Red Hat package) - update to 86.0.4240.198-1.el6_10
chromium - addressed in versions 86.0.4240.198-1.el7, 86.0.4240.198-1.el8, 86.0.4240.198-1.fc31, 86.0.4240.198-1.fc32, 86.0.4240.198-1.fc33, 87.0.4280.66-1.el7, 87.0.4280.66-1.el8, 87.0.4280.66-1.fc32, 87.0.4280.88-1.el7, 87.0.4280.88-1.el8

External References

Related Security Bulletins