Heap-based buffer overflow in Google Chrome - CVE-2020-6548

 

Heap-based buffer overflow in Google Chrome - CVE-2020-6548

Published: August 10, 2020 / Updated: August 10, 2020


Vulnerability identifier: #VU42552
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-2020-6548
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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.


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

How to mitigate CVE-2020-6548

Update to version 84.0.4147.125.

Google Chrome - update to 84.0.4147.125
chromium (Debian package) - update to 87.0.4280.88-0.4~deb10u1
chromium-browser (Red Hat package) - update to 84.0.4147.135-1.el6_10
chromium - addressed in versions 85.0.4183.83-1.el7, 85.0.4183.83-1.el8, 85.0.4183.83-1.fc31, 85.0.4183.83-1.fc32, 85.0.4183.83-1.fc33

External References

Related Security Bulletins