Type Confusion in Google Chromium - CVE-2021-30561

 

Type Confusion in Google Chromium - CVE-2021-30561

Published: July 15, 2021


Vulnerability identifier: #VU54904
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-2021-30561
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 Chromium
Google Chrome
Microsoft Edge
Gentoo Linux
Arch Linux
Fedora
chromium

How to mitigate CVE-2021-30561

Update to version 91.0.4472.164.

Google Chromium - update to 91.0.4472.164
Google Chrome - update to 91.0.4472.164
Microsoft Edge - update to 91.0.864.71
chromium - addressed in versions 91.0.4472.164-1.el8, 91.0.4472.164-1.fc33, 91.0.4472.164-1.fc34

External References

Related Security Bulletins