critical
9.6
Advisory Published
CVE Published
Updated

CVE-2020-15963: Insufficient policy enforcement in extensions

First published: Thu Aug 06 2020(Updated: )

Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to potentially perform a sandbox escape via a crafted Chrome Extension.

Credit: chrome-cve-admin@google.com David Erceg

Affected SoftwareAffected VersionHow to fix
debian/chromium
90.0.4430.212-1~deb10u1
116.0.5845.180-1~deb11u1
120.0.6099.129-1~deb11u1
119.0.6045.199-1~deb12u1
120.0.6099.129-1~deb12u1
120.0.6099.129-1
Google Chrome (Trace Event)<85.0.4183.121
85.0.4183.121
Google Chrome<85.0.4183.121
openSUSE Backports=15.0-sp1
openSUSE Backports=15.0-sp2
SUSE Linux=15.1
SUSE Linux=15.2
Red Hat Fedora=31
Red Hat Fedora=32
Red Hat Fedora=33
Debian Linux=10.0

Remedy

https://crbug.com/1113558

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2020-15963?

    CVE-2020-15963 is rated as high severity due to its potential for sandbox escape via malicious Chrome extensions.

  • How do I fix CVE-2020-15963?

    To fix CVE-2020-15963, update Google Chrome to version 85.0.4183.121 or later.

  • What versions of Chrome are affected by CVE-2020-15963?

    CVE-2020-15963 affects Google Chrome versions prior to 85.0.4183.121.

  • Can CVE-2020-15963 affect Chromium browsers as well?

    Yes, CVE-2020-15963 can affect Chromium browsers that are based on versions prior to 85.0.4183.121.

  • What is the attack vector for CVE-2020-15963?

    CVE-2020-15963 can be exploited through the installation of a malicious Chrome extension by a user.

Company

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