Use-after-free in Google Chromium - CVE-2021-38002

Vulnerability identifier: #VU57764

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-2021-38002

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Web Transport component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

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

Update to version 95.0.4638.69.

Google Chromium - update to 95.0.4638.69
Google Chrome - update to 95.0.4638.69
Microsoft Edge - update to 95.0.1020.40
opera - update to 81.0.4196.54-1
chromium - update to 95.0.4638.69-1
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/2021/10/stable-channel-update-for-desktop_28.html
• https://crbug.com/1260940
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-38002

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Gentoo update for Chromium, Google Chrome
• Arch Linux update for chromium
• Arch Linux update for opera
• 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