Use-after-free in Google Chrome - CVE-2022-2478

Vulnerability identifier: #VU65447

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-2022-2478

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 in PDF component. A remote attacker can trick the victim to visit a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.

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

Google Chrome
Microsoft Edge
Gentoo Linux
Fedora
chromium (Debian package)
www-client/microsoft-edge
www-client/chromium
www-client/chromium-bin
www-client/google-chrome
chromium

Install updates from vendor's website.

Google Chrome - update to 103.0.5060.134
chromium (Debian package) - update to 103.0.5060.134-1~deb11u1
Microsoft Edge - update to 103.0.1264.71
www-client/microsoft-edge - update to 104.0.1293.63
www-client/chromium - update to 104.0.5112.101
www-client/chromium-bin - update to 104.0.5112.101
www-client/google-chrome - update to 104.0.5112.101
chromium - addressed in versions 115.0.5790.170-1.el7, 115.0.5790.170-1.el8, 115.0.5790.170-1.el9, 115.0.5790.170-1.fc38, 115.0.5790.170-2.fc37

• https://chromereleases.googleblog.com/2022/07/stable-channel-update-for-desktop_19.html
• https://crbug.com/1335861
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-2478

• Multiple vulnerabilities in Google Chrome
• Multiple vulnerabilities in Microsoft Edge
• Debian update for chromium
• Gentoo update for Chromium, Google Chrome, Microsoft Edge
• Fedora 37 update for chromium
• Fedora EPEL 9 update for chromium
• Fedora 38 update for chromium
• Fedora EPEL 8 update for chromium
• Fedora EPEL 7 update for chromium