Permissions, Privileges, and Access Controls in Google Chrome - CVE-2021-30534

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Main Vulnerability Database Vulnerabilities #VU53557

Permissions, Privileges, and Access Controls in Google Chrome - CVE-2021-30534

Published: May 25, 2021 / Updated: May 25, 2021


Vulnerability identifier: #VU53557
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:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-30534
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 iFrameSandbox in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.


Affected software

Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
qt5-qtwebengine
chromium

How to mitigate CVE-2021-30534

Update to version 91.0.4472.77.

Google Chrome - update to 91.0.4472.77
Microsoft Edge - update to 91.0.864.37
qt5-qtwebengine - update to 5.15.8-2.fc34
chromium - addressed in versions 91.0.4472.114-1.el8, 91.0.4472.114-1.fc33, 91.0.4472.114-1.fc34, 91.0.4472.114-2.el8, 91.0.4472.114-2.fc33, 91.0.4472.164-1.el8

External References

Related Security Bulletins