Use-after-free in Google Chromium - CVE-2023-0471

Vulnerability identifier: #VU71492

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-2023-0471

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 WebTransport 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
Microsoft Edge
Google Chrome
Debian Linux
Fedora
Ubuntu
Chrome OS
chromium
chromium (Debian package)
chromium-browser (Ubuntu package)

Update to version 109.0.5414.119.

Google Chromium - update to 109.0.5414.119
Microsoft Edge - addressed in versions 108.0.1293.81, 109.0.1343.27
Google Chrome - update to 109.0.5414.119
Chrome OS - addressed in versions 102.0.5005.196, 108.0.5359.219
chromium - addressed in versions 109.0.5414.119-1.el9, 109.0.5414.119-1.fc37
chromium (Debian package) - update to 109.0.5414.119-1~deb11u1
chromium-browser (Ubuntu package) - update to 110.0.5481.100-0ubuntu0.18.04.1

• https://chromereleases.googleblog.com/2023/01/stable-channel-update-for-desktop_24.html
• https://crbug.com/1376354
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-0471

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Multiple vulnerabilities in Google ChromeOS LTC-108
• Multiple vulnerabilities in Google ChromeOS LTS
• Ubuntu update for chromium-browser
• Fedora 37 update for chromium
• Fedora EPEL 9 update for chromium