Stack-based buffer overflow in Google Chrome - CVE-2020-16008

 

Stack-based buffer overflow in Google Chrome - CVE-2020-16008

Published: November 3, 2020


Vulnerability identifier: #VU48096
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-2020-16008
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content in WebRTC in Google Chrome. A remote unauthenticated attacker can trick the victim to visit a specially crafted website, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

Google Chrome
Arch Linux
Gentoo Linux
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Server
Fedora
SUSE Linux
Opensuse
chromium (Debian package)
chromium-browser (Red Hat package)
chromium
www-client/chromium
www-client/google-chrome

How to mitigate CVE-2020-16008

Install updates from vendor's website.

Google Chrome - update to 86.0.4240.183
chromium (Debian package) - update to 87.0.4280.88-0.4~deb10u1
chromium-browser (Red Hat package) - update to 86.0.4240.183-1.el6_10
chromium - addressed in versions 86.0.4240.183-1.el7, 86.0.4240.183-1.el8, 86.0.4240.183-1.fc31, 86.0.4240.183-1.fc32, 86.0.4240.183-1.fc33, 86.0.4240.198-1.el7, 86.0.4240.198-1.el8, 86.0.4240.198-1.fc31, 86.0.4240.198-1.fc32, 87.0.4280.66-1.el7, 87.0.4280.66-1.el8, 87.0.4280.66-1.fc32, 87.0.4280.88-1.el7, 87.0.4280.88-1.el8
www-client/chromium - update to 86.0.4240.193
www-client/google-chrome - update to 86.0.4240.193

External References

Related Security Bulletins