Out-of-bounds read in Google Chrome - CVE-2020-6455

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Main Vulnerability Database Vulnerabilities #VU26660

Out-of-bounds read in Google Chrome - CVE-2020-6455

Published: April 7, 2020 / Updated: April 8, 2020


Vulnerability identifier: #VU26660
CSH Severity: Medium
CVSS v4: 6.9 [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]
CVE-ID: CVE-2020-6455
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a boundary condition within the WebSQL 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.


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 (Debian package)
chromium-browser (Red Hat package)
chromium

How to mitigate CVE-2020-6455

Update to version 81.0.4044.92.

Google Chrome - update to 81.0.4044.92
chromium (Debian package) - update to 83.0.4103.116-1~deb10u1
chromium-browser (Red Hat package) - update to 81.0.4044.92-2.el6_10
chromium - addressed in versions 81.0.4044.113-1.el7, 81.0.4044.113-1.el8, 81.0.4044.113-1.fc30, 81.0.4044.113-1.fc31, 81.0.4044.113-1.fc32, 81.0.4044.113-2.el7, 81.0.4044.113-2.el8, 81.0.4044.113-2.fc30, 81.0.4044.113-2.fc31, 81.0.4044.113-2.fc32, 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