Improper access control in Google Chrome - CVE-2020-6516

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Main Vulnerability Database Vulnerabilities #VU29883

Improper access control in Google Chrome - CVE-2020-6516

Published: July 14, 2020 / Updated: April 18, 2021


Vulnerability identifier: #VU29883
CSH Severity: High
CVSS v4: 8.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-6516
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to improper access restrictions in CORS. A remote attacker can create a specially crafted web page, trick the victim into visiting it, bypass implemented security restrictions and gain unauthorized access to sensitive information or manipulate data.


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-2020-6516

Update to version 84.0.4147.89.

Google Chrome - update to 84.0.4147.89
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 84.0.4147.89-1.el7, 84.0.4147.89-1.el8, 84.0.4147.89-1.fc31, 84.0.4147.89-1.fc32

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins