Improperly implemented security check for standard in Google Chromium - CVE-2021-30587

Vulnerability identifier: #VU55125

CSH Severity: High

CVSS v4: 7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-30587

CWE-ID: CWE-358

Exploitation vector: Remote access

Exploit availability: No public exploit available

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

The vulnerability exists due to incorrect implementation in Compositing on Windows in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.

Google Chromium
Google Chrome
Microsoft Edge
Gentoo Linux
Fedora
qt5-qtwebengine
chromium

Update to version 92.0.4515.107.

Google Chromium - update to 92.0.4515.107
Google Chrome - update to 92.0.4515.107
Microsoft Edge - update to 92.0.902.55
qt5-qtwebengine - update to 5.15.8-2.fc34
chromium - addressed in versions 93.0.4577.63-1.el8, 93.0.4577.63-1.fc33, 93.0.4577.63-1.fc34, 93.0.4577.63-1.fc35

• https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html
• https://crbug.com/1204347

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Gentoo update for Chromium, Google Chrome
• Fedora 33 update for chromium
• Fedora 35 update for chromium
• Fedora 34 update for chromium
• Fedora EPEL 8 update for chromium
• Fedora 34 update for qt5-qtwebengine