Privilege escalation in Google Chrome - CVE-2018-6121

Vulnerability identifier: #VU12582

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-2018-6121

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain elevated privileges on the target system.

The weakness exists due to an error in extensions when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code withe elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.

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

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

• https://chromereleases.googleblog.com/2018/05/stable-channel-update-for-desktop.html

• Multiple vulnerabilities in Google Chrome
• OpenSUSE Linux update for Chromium
• Red Hat update for Google Chrome
• Gentoo update for Chromium, Google Chrome
• SUSE Linux update for chromium
• Debian update for chromium-browser
• Fedora EPEL 7 update for chromium
• Fedora 27 update for chromium
• Fedora 28 update for chromium
• Fedora EPEL 7 update for chromium