Overly permissive cross-domain whitelist in Google Chrome - CVE-2019-5830

Vulnerability identifier: #VU79647

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2019-5830

CWE-ID: CWE-942

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass the CORS protection mechanism.

The vulnerability exists due to incorrect processing of credentials in CORS. A remote attacker can bypass implemented security restrictions.

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/665766

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