Use-after-free in Google Chrome - CVE-2020-6422

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Main Vulnerability Database Vulnerabilities #VU26198

Use-after-free in Google Chrome - CVE-2020-6422

Published: March 18, 2020


Vulnerability identifier: #VU26198
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-2020-6422
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within WebGL in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a 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.


Affected software

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

How to mitigate CVE-2020-6422

Install updates from vendor's website.

Google Chrome - update to 80.0.3987.149
chromium (Alpine package) - update to 80.0.3987.149-r0
chromium (Debian package) - update to 80.0.3987.149-1~deb10u1
chromium-browser (Red Hat package) - update to 80.0.3987.149-1.el6_10
chromium - addressed in versions 80.0.3987.149-1.el7, 80.0.3987.149-1.el8, 80.0.3987.149-1.fc30, 80.0.3987.149-1.fc31, 80.0.3987.149-1.fc32, 80.0.3987.162-1.el7, 80.0.3987.162-1.el8, 80.0.3987.163-1.el7, 80.0.3987.163-1.el8, 81.0.4044.113-1.el7, 81.0.4044.113-1.el8, 81.0.4044.113-2.el7, 81.0.4044.113-2.el8, 81.0.4044.122-1.el7, 81.0.4044.122-1.el8, 81.0.4044.138-1.el7, 81.0.4044.138-1.el8

External References

Related Security Bulletins