Permissions, Privileges, and Access Controls in Google Chrome - CVE-2020-6420

 

Permissions, Privileges, and Access Controls in Google Chrome - CVE-2020-6420

Published: March 4, 2020


Vulnerability identifier: #VU25754
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-2020-6420
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in media. A remote attacker can bypass implemented security restrictions and compromise the affected system.


Affected software

Google Chrome
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Fedora
Opensuse
SUSE Package Hub for SUSE Linux Enterprise
chromium (Debian package)
www-client/chromium
www-client/google-chrome
chromium

How to mitigate CVE-2020-6420

Install updates from vendor's website.

Google Chrome - update to 80.0.3987.132
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

External References

Related Security Bulletins