Use-after-free in Google Chrome - CVE-2021-30601
Published: August 17, 2021 / Updated: August 19, 2021
Vulnerability identifier: #VU55872
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-2021-30601
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Extensions API. A remote attacker can trick the victim to visit a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Google Chrome
Microsoft Edge
Gentoo Linux
Fedora
chromium
Microsoft Edge
Gentoo Linux
Fedora
chromium
How to mitigate CVE-2021-30601
Install updates from vendor's website.
Google Chrome - update to 92.0.4515.159
Microsoft Edge - update to 92.0.902.78
chromium - addressed in versions 93.0.4577.63-1.el8, 93.0.4577.63-1.fc33, 93.0.4577.63-1.fc34, 93.0.4577.63-1.fc35
Microsoft Edge - update to 92.0.902.78
chromium - addressed in versions 93.0.4577.63-1.el8, 93.0.4577.63-1.fc33, 93.0.4577.63-1.fc34, 93.0.4577.63-1.fc35