Use-after-free in Google Chrome - CVE-2020-6554

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Main Vulnerability Database Vulnerabilities #VU42558

Use-after-free in Google Chrome - CVE-2020-6554

Published: August 10, 2020 / Updated: August 10, 2020


Vulnerability identifier: #VU42558
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-6554
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 extensions in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.


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-2020-6554

Update to version 84.0.4147.125.

Google Chrome - update to 84.0.4147.125
chromium (Debian package) - update to 87.0.4280.88-0.4~deb10u1
chromium-browser (Red Hat package) - update to 84.0.4147.135-1.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