Type confusion in Google Chrome - CVE-2018-6122

 

Type confusion in Google Chrome - CVE-2018-6122

Published: May 11, 2018 / Updated: June 11, 2021


Vulnerability identifier: #VU12580
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-2018-6122
CWE-ID: CWE-843
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 weakness exists due to type confusion in V8 when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code withe elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

Affected software

Google Chrome
Gentoo Linux
Debian Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Fedora
SUSE Linux
Opensuse
chromium

How to mitigate CVE-2018-6122

Update to version 66.0.3359.170.

Google Chrome - update to 66.0.3359.170
chromium - addressed in versions 66.0.3359.181-2.fc27, 66.0.3359.181-2.fc28, 66.0.3359.181-3.el7, 67.0.3396.79-1.el7

External References

Related Security Bulletins