Out-of-bounds read in Google Chrome - CVE-2020-6555

Vulnerability identifier: #VU42559

CSH Severity: Medium

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green

CVE-ID: CVE-2020-6555

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: Public exploit is available

Affected software:
Google Chrome
Gentoo Linux
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for Scientific Computing
Fedora
SUSE Linux
Opensuse
chromium (Debian package)
chromium-browser (Red Hat package)
chromium

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the WebGL component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and gain access to sensitive information.

Update to version 84.0.4147.125.

• https://chromereleases.googleblog.com/2020/08/stable-channel-update-for-desktop.html
• https://crbug.com/1105202