Improperly implemented security check for standard in Google Chromium - CVE-2021-38021

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Main Vulnerability Database Vulnerabilities #VU58171

Improperly implemented security check for standard in Google Chromium - CVE-2021-38021

Published: November 15, 2021 / Updated: November 23, 2021


Vulnerability identifier: #VU58171
CSH Severity: High
CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-38021
CWE-ID: CWE-358
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in referrer in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.


Affected software

Google Chromium
Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
qt5-qtwebengine
chromium
vivaldi
chromium (Debian package)

How to mitigate CVE-2021-38021

Update to version 96.0.4664.45.

Google Chromium - update to 96.0.4664.45
Google Chrome - update to 96.0.4664.45
Microsoft Edge - update to 96.0.1054.29
qt5-qtwebengine - addressed in versions 5.15.8-2.fc34, 5.15.8-2.fc35
chromium - addressed in versions 96.0.4664.110-2.el8, 96.0.4664.110-2.fc34, 96.0.4664.110-2.fc35, 96.0.4664.110-3.fc34, 96.0.4664.110-3.fc35
vivaldi - update to 5.0.2497.24-1
chromium (Debian package) - update to 97.0.4692.71-0.1~deb11u1

External References

Related Security Bulletins