Permissions, Privileges, and Access Controls in Google Chromium - CVE-2021-38020

Vulnerability identifier: #VU58170

CSH Severity: Medium

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-38020

CWE-ID: CWE-264

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to insufficient policy enforcement in contacts picker in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.

Google Chromium
Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
vivaldi
chromium
chromium (Debian package)

Update to version 96.0.4664.45.

Google Chromium - update to 96.0.4664.45
Google Chrome - update to 96.0.4664.45
Microsoft Edge - update to 96.0.1054.29
vivaldi - update to 5.0.2497.24-1
chromium - addressed in versions 96.0.4664.110-2.el8, 96.0.4664.110-2.fc34, 96.0.4664.110-2.fc35, 96.0.4664.110-3.fc34, 96.0.4664.110-3.fc35
chromium (Debian package) - update to 97.0.4692.71-0.1~deb11u1

• https://chromereleases.googleblog.com/2021/11/stable-channel-update-for-desktop.html
• https://crbug.com/1259694
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38020

• Multiple vulnerabilities in Google Chrome
• Arch Linux update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Arch Linux update for opera
• Debian update for chromium
• Gentoo update for Chromium, Google Chrome
• Arch Linux update for vivaldi
• Fedora 34 update for chromium
• Fedora 35 update for chromium
• Fedora EPEL 8 update for chromium
• Fedora 35 update for chromium
• Fedora 34 update for chromium