Use-after-free in Google Chromium - CVE-2021-30608

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Main Vulnerability Database Vulnerabilities #VU56200

Use-after-free in Google Chromium - CVE-2021-30608

Published: August 31, 2021


Vulnerability identifier: #VU56200
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-2021-30608
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 within the Web Share component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Google Chromium
Google Chrome
Microsoft Edge
Gentoo Linux
Fedora
chromium

How to mitigate CVE-2021-30608

Update to version 93.0.4577.63.

Google Chromium - update to 93.0.4577.63
Google Chrome - update to 93.0.4577.63
Microsoft Edge - update to 93.0.961.38
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

External References

Related Security Bulletins