Out-of-bounds read in Google Chrome - CVE-2020-6395

 

Out-of-bounds read in Google Chrome - CVE-2020-6395

Published: February 5, 2020


Vulnerability identifier: #VU24957
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-6395
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in JavaScript engine. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


Affected software

Google Chrome
Arch Linux
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
SUSE Package Hub for SUSE Linux Enterprise
chromium (Debian package)
www-client/chromium
www-client/google-chrome
chromium

How to mitigate CVE-2020-6395

Install updates from vendor's website.

Google Chrome - update to 80.0.3987.87
chromium (Debian package) - update to 80.0.3987.132-1~deb10u1
www-client/chromium - update to 80.0.3987.132
www-client/google-chrome - update to 80.0.3987.132
chromium - addressed in versions 80.0.3987.132-1.el8, 80.0.3987.132-1.fc30, 80.0.3987.132-1.fc31, 80.0.3987.149-1.el8, 80.0.3987.149-1.fc30, 80.0.3987.162-1.el8, 80.0.3987.163-1.el8, 81.0.4044.113-1.el8, 81.0.4044.113-2.el8, 81.0.4044.122-1.el8, 81.0.4044.138-1.el8

External References

Related Security Bulletins