Heap-based buffer overflow in Google Chrome - CVE-2020-6525

Vulnerability identifier: #VU29870

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-6525

CWE-ID: CWE-122

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 boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

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

Update to version 84.0.4147.89.

Google Chrome - update to 84.0.4147.89
chromium (Debian package) - update to 87.0.4280.88-0.4~deb10u1
chromium-browser (Red Hat package) - update to 84.0.4147.105-2.el6_10
chromium - addressed in versions 84.0.4147.89-1.el7, 84.0.4147.89-1.el8, 84.0.4147.89-1.fc31, 84.0.4147.89-1.fc32

• https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html
• https://crbug.com/1091670

• Multiple vulnerabilities in Google Chrome
• OpenSUSE Linux update for chromium
• OpenSUSE Linux update for chromium
• OpenSUSE Linux update for chromium
• Gentoo update for Chromium, Google Chrome
• OpenSUSE Linux update for opera
• OpenSUSE Linux update for opera
• Red Hat Enterprise Linux 6 Supplementary update for chromium-browser
• OpenSUSE Linux update for chromium
• Debian update for chromium
• Fedora 31 update for chromium
• Fedora 32 update for chromium
• Fedora EPEL 8 update for chromium
• Fedora EPEL 7 update for chromium