Permissions, Privileges, and Access Controls in Google Chrome - CVE-2021-21228

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Main Vulnerability Database Vulnerabilities #VU52611

Permissions, Privileges, and Access Controls in Google Chrome - CVE-2021-21228

Published: April 27, 2021 / Updated: April 27, 2021


Vulnerability identifier: #VU52611
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-21228
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 extensions. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.


Affected software

Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
chromium (Debian package)
chromium

How to mitigate CVE-2021-21228

Install updates from vendor's website.

Google Chrome - update to 90.0.4430.93
chromium (Debian package) - update to 90.0.4430.93-1~deb10u1
Microsoft Edge - update to 90.0.818.51
chromium - addressed in versions 90.0.4430.93-1.el7, 90.0.4430.93-1.el8, 90.0.4430.93-1.fc32, 90.0.4430.93-1.fc33, 90.0.4430.93-1.fc34

External References

Related Security Bulletins