Spoofing attack in Google Chrome - CVE-2021-21170

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Main Vulnerability Database Vulnerabilities #VU51130

Spoofing attack in Google Chrome - CVE-2021-21170

Published: March 2, 2021


Vulnerability identifier: #VU51130
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-2021-21170
CWE-ID: CWE-451
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insufficient validation of user-supplied input in Loader in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.


Affected software

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

How to mitigate CVE-2021-21170

Update to version 89.0.4389.72.

Google Chrome - update to 89.0.4389.72
chromium (Debian package) - update to 89.0.4389.114-1~deb10u1
Microsoft Edge - update to 89.0.774.45
chromium - addressed in versions 89.0.4389.82-1.el7, 89.0.4389.82-1.el8, 89.0.4389.82-1.fc32, 89.0.4389.82-1.fc33, 89.0.4389.82-1.fc34, 89.0.4389.90-3.fc33, 89.0.4389.90-3.fc34

External References

Related Security Bulletins