Improper access control in Google Chrome - CVE-2019-5838

Vulnerability identifier: #VU79654

CSH Severity: Low

CVSS v4: 2.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-5838

CWE-ID: CWE-284

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions to tabs in Extensions. A remote attacker can use an install extension to gain unauthorized access to browser tabs.

Google Chrome
Arch Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for Scientific Computing
chromium
chromium-browser (Red Hat package)
chromium-browser-debuginfo (Red Hat package)

Install updates from vendor's website.

Google Chrome - update to 75.0.3770.80
chromium - update to 75.0.3770.80-1
chromium-browser (Red Hat package) - update to 75.0.3770.80-1.el6_10
chromium-browser-debuginfo (Red Hat package) - update to 75.0.3770.80-1.el6_10

• https://chromereleases.googleblog.com/2019/06/stable-channel-update-for-desktop.html
• https://crbug.com/893087

• Multiple vulnerabilities in Google Chrome
• Arch Linux update for chromium
• Red Hat Enterprise Linux 6 Supplementary update for chromium-browser