Use-after-free in Google Chrome - CVE-2020-6457

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Main Vulnerability Database Vulnerabilities #VU26969

Use-after-free in Google Chrome - CVE-2020-6457

Published: April 15, 2020 / Updated: April 15, 2020


Vulnerability identifier: #VU26969
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-2020-6457
CWE-ID: CWE-416
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 use-after-free error within the speech recognizer component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Affected software

Google Chrome
Arch Linux
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-2020-6457

Update to version 81.0.4044.113.

Google Chrome - update to 81.0.4044.113
chromium (Debian package) - update to 83.0.4103.116-1~deb10u1
chromium-browser (Red Hat package) - update to 81.0.4044.113-1.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