Use-after-free in Google Chrome - CVE-2021-21107

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Main Vulnerability Database Vulnerabilities #VU49303

Use-after-free in Google Chrome - CVE-2021-21107

Published: January 6, 2021 / Updated: January 7, 2021


Vulnerability identifier: #VU49303
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-2021-21107
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 drag and drop 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 Chrome
Gentoo Linux
Arch Linux
Fedora
chromium (Debian package)
chromium

How to mitigate CVE-2021-21107

Update to version 87.0.4280.141.

Google Chrome - update to 87.0.4280.141
chromium (Debian package) - update to 87.0.4280.141-0.1~deb10u1
chromium - addressed in versions 87.0.4280.141-1.el7, 87.0.4280.141-1.el8, 87.0.4280.141-1.fc32, 87.0.4280.141-1.fc33, 88.0.4324.96-1.el7, 88.0.4324.96-1.el8, 88.0.4324.150-1.el7, 88.0.4324.150-1.el8

External References

Related Security Bulletins