Permissions, Privileges, and Access Controls in Google Chrome - CVE-2021-21205

CSH
CYBERSECURITY HELP
Sign In REGISTER
 
Main Vulnerability Database Vulnerabilities #VU52236

Permissions, Privileges, and Access Controls in Google Chrome - CVE-2021-21205

Published: April 14, 2021 / Updated: April 15, 2021


Vulnerability identifier: #VU52236
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-2021-21205
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 navigation in Google Chrome. 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
Gentoo Linux
Fedora
chromium (Debian package)
chromium

How to mitigate CVE-2021-21205

Update to version 90.0.4430.72.

Google Chrome - update to 90.0.4430.72
chromium (Debian package) - update to 90.0.4430.85-1~deb10u1
Microsoft Edge - update to 90.0.818.39
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