Type Confusion in Google Chrome - CVE-2021-30517

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Main Vulnerability Database Vulnerabilities #VU53046

Type Confusion in Google Chrome - CVE-2021-30517

Published: May 10, 2021 / Updated: May 11, 2021


Vulnerability identifier: #VU53046
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-2021-30517
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

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

How to mitigate CVE-2021-30517

Update to version 90.0.4430.212.

Google Chrome - update to 90.0.4430.212
chromium (Debian package) - update to 90.0.4430.212-1~deb10u1
Microsoft Edge - update to 90.0.818.62
chromium - addressed in versions 90.0.4430.212-1.el7, 90.0.4430.212-1.el8, 90.0.4430.212-1.fc32, 90.0.4430.212-1.fc33, 90.0.4430.212-1.fc34, 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