Out-of-bounds write in Google Chrome - CVE-2020-6458

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Main Vulnerability Database Vulnerabilities #VU27117

Out-of-bounds write in Google Chrome - CVE-2020-6458

Published: April 22, 2020


Vulnerability identifier: #VU27117
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-2020-6458
CWE-ID: CWE-787
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 input in PDFium. A remote attacker can create a specially crafted PDF file, trick the victim into opening it using the affected software, trigger out-of-bounds write and execute arbitrary code on the target system.


Affected software

Google Chrome
Gentoo Linux
Arch 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-browser (Red Hat package)
chromium (Debian package)
chromium

How to mitigate CVE-2020-6458

Install updates from vendor's website.

Google Chrome - update to 81.0.4044.122
chromium-browser (Red Hat package) - update to 81.0.4044.122-1.el6_10
chromium (Debian package) - update to 83.0.4103.116-1~deb10u1
chromium - addressed in versions 81.0.4044.122-1.el7, 81.0.4044.122-1.el8, 81.0.4044.122-1.fc30, 81.0.4044.122-1.fc31, 81.0.4044.122-1.fc32, 81.0.4044.138-1.el7, 81.0.4044.138-1.el8, 81.0.4044.138-1.fc31

External References

Related Security Bulletins