Use-after-free in Google Chromium - CVE-2023-4076

Vulnerability identifier: #VU78894

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-2023-4076

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 WebRTC 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
Gentoo Linux
Debian Linux
Fedora
Chrome OS
dev-qt/qtwebengine
chromium
chromium (Debian package)
www-client/microsoft-edge
www-client/chromium
www-client/google-chrome

Update to version 115.0.5790.170.

Google Chromium - update to 115.0.5790.170
Microsoft Edge - update to 115.0.1901.200
Google Chrome - update to 115.0.5790.170
dev-qt/qtwebengine - update to 103.0.5060.53
Chrome OS - update to 108.0.5359.240
chromium - update to 115.0.5790.170-1.fc38
chromium (Debian package) - addressed in versions 115.0.5790.170-1~deb11u1, 115.0.5790.170-1~deb12u1
www-client/microsoft-edge - update to 120.0.2210.133
www-client/chromium - update to 120.0.6099.109
www-client/google-chrome - update to 120.0.6099.109

• https://chromereleases.googleblog.com/2023/08/stable-channel-update-for-desktop.html
• https://crbug.com/1459124

• Multiple vulnerabilities in Google Chrome
• Debian update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Fedora 38 update for chromium
• Multiple vulnerabilities in Google ChromeOS LTS
• Gentoo update for QtWebEngine
• Gentoo update for QtWebEngine
• Gentoo update for Chromium, Google Chrome, Microsoft Edge