Code Injection in Microsoft Edge - CVE-2023-21796

Vulnerability identifier: #VU71148

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-2023-21796

CWE-ID: CWE-94

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote attacker can trick the victim to visit a specially crafted web page and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Microsoft Edge
Gentoo Linux
dev-qt/qtwebengine
www-client/microsoft-edge
www-client/chromium-bin
www-client/google-chrome
www-client/chromium

Install updates from vendor's website.

Microsoft Edge - addressed in versions 108.0.1462.83, 109.0.1518.49
dev-qt/qtwebengine - update to 103.0.5060.53
www-client/microsoft-edge - update to 109.0.1518.61
www-client/chromium-bin - update to 109.0.5414.74
www-client/google-chrome - update to 109.0.5414.74
www-client/chromium - update to 109.0.5414.74-r1

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21796

• Multiple vulnerabilities in Microsoft Edge
• Gentoo update for Chromium, Google Chrome, Microsoft Edge
• Gentoo update for QtWebEngine