Use-after-free in Google Chrome - CVE-2020-6539

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Main Vulnerability Database Vulnerabilities #VU31965

Use-after-free in Google Chrome - CVE-2020-6539

Published: July 27, 2020 / Updated: July 28, 2020


Vulnerability identifier: #VU31965
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-2020-6539
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 CSS 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
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for Scientific Computing
Fedora
SUSE Linux
Opensuse
chromium (Debian package)
chromium-browser (Red Hat package)
chromium

How to mitigate CVE-2020-6539

Update to version 84.0.4147.105.

Google Chrome - update to 84.0.4147.105
chromium (Debian package) - update to 87.0.4280.88-0.4~deb10u1
chromium-browser (Red Hat package) - update to 84.0.4147.105-2.el6_10
chromium - addressed in versions 85.0.4183.83-1.el7, 85.0.4183.83-1.el8, 85.0.4183.83-1.fc31, 85.0.4183.83-1.fc32, 85.0.4183.83-1.fc33

External References

Related Security Bulletins