Use-after-free in Google Chrome - CVE-2020-6474

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Main Vulnerability Database Vulnerabilities #VU28029

Use-after-free in Google Chrome - CVE-2020-6474

Published: May 19, 2020 / Updated: May 19, 2020


Vulnerability identifier: #VU28029
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-2020-6474
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 Blink 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
Arch Linux
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Fedora
SUSE Linux
Opensuse
chromium (Debian package)
chromium-browser-debuginfo (Red Hat package)
chromium-browser (Red Hat package)
chromium

How to mitigate CVE-2020-6474

Update to version 83.0.4103.61.

Google Chrome - update to 83.0.4103.61
chromium (Debian package) - update to 83.0.4103.116-1~deb10u1
chromium-browser-debuginfo (Red Hat package) - update to 83.0.4103.97-1.el6_10
chromium-browser (Red Hat package) - update to 83.0.4103.97-1.el6_10
chromium - addressed in versions 83.0.4103.106-1.el7, 83.0.4103.106-1.el8, 83.0.4103.106-1.fc31, 83.0.4103.106-1.fc32, 83.0.4103.116-3.el7, 83.0.4103.116-3.el8, 83.0.4103.116-3.fc31, 83.0.4103.116-3.fc32

External References

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